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2229100000 = 255522291
BaseRepresentation
bin1000010011011101…
…0101110111100000
312202100110000100021
42010313111313200
514031122200000
61005105203224
7106145015551
oct20467256740
95670400307
102229100000
11a442a5906
12522630514
13296a7caaa
14172094328
15d0a6911a
hex84dd5de0

2229100000 has 72 divisors (see below), whose sum is σ = 5485570776. Its totient is φ = 891600000.

The previous prime is 2229099991. The next prime is 2229100057. The reversal of 2229100000 is 19222.

It is a happy number.

2229100000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88855 + ... + 111145.

It is an arithmetic number, because the mean of its divisors is an integer number (76188483).

Almost surely, 22229100000 is an apocalyptic number.

2229100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2229100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2742785388).

2229100000 is an abundant number, since it is smaller than the sum of its proper divisors (3256470776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2229100000 is an frugal number, since it uses more digits than its factorization.

2229100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22326 (or 22298 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2229100000 is about 47213.3455709294. The cubic root of 2229100000 is about 1306.3007733445.

Adding to 2229100000 its reverse (19222), we get a palindrome (2229119222).

The spelling of 2229100000 in words is "two billion, two hundred twenty-nine million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 22291 25000 44582 50000 89164 100000 111455 178328 222910 356656 445820 557275 713312 891640 1114550 1783280 2229100 2786375 3566560 4458200 5572750 8916400 11145500 13931875 17832800 22291000 27863750 44582000 55727500 69659375 89164000 111455000 139318750 222910000 278637500 445820000 557275000 1114550000 2229100000