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2201000000 = 26563171
BaseRepresentation
bin1000001100110000…
…1001100001000000
312200101120101101112
42003030021201000
514001424000000
61002223022452
7105354122423
oct20314114100
95611511345
102201000000
11a2a452971
1251513aa28
13290cc1884
1416c45b9ba
15cd368235
hex83309840

2201000000 has 196 divisors, whose sum is σ = 5714926848. Its totient is φ = 840000000.

The previous prime is 2200999991. The next prime is 2201000027. The reversal of 2201000000 is 1022.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 30999965 + ... + 31000035.

Almost surely, 22201000000 is an apocalyptic number.

2201000000 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 2201000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857463424).

2201000000 is an abundant number, since it is smaller than the sum of its proper divisors (3513926848).

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

2201000000 is an frugal number, since it uses more digits than its factorization.

2201000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 2201000000 is about 46914.8164229596. The cubic root of 2201000000 is about 1300.7884763116.

Adding to 2201000000 its reverse (1022), we get a palindrome (2201001022).

The spelling of 2201000000 in words is "two billion, two hundred one million", and thus it is an aban number.