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2225222752 = 25178814643
BaseRepresentation
bin1000010010100010…
…0011010001100000
312202002011000202111
42010220203101200
514024124112002
61004450125104
7106100036614
oct20450432140
95662130674
102225222752
11a42097875
12521280794
1329602306c
14171765344
15d05503d7
hex84a23460

2225222752 has 48 divisors (see below), whose sum is σ = 4644873072. Its totient is φ = 1045749760.

The previous prime is 2225222737. The next prime is 2225222833. The reversal of 2225222752 is 2572225222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476943 + ... + 481585.

It is an arithmetic number, because the mean of its divisors is an integer number (96768189).

Almost surely, 22225222752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225222752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2322436536).

2225222752 is an abundant number, since it is smaller than the sum of its proper divisors (2419650320).

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

2225222752 is a wasteful number, since it uses less digits than its factorization.

2225222752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551 (or 5543 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 2225222752 is about 47172.2667676676. The cubic root of 2225222752 is about 1305.5429500875.

Adding to 2225222752 its reverse (2572225222), we get a palindrome (4797447974).

The spelling of 2225222752 in words is "two billion, two hundred twenty-five million, two hundred twenty-two thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 881 1762 3524 4643 7048 9286 14096 14977 18572 28192 29954 37144 59908 74288 78931 119816 148576 157862 239632 315724 479264 631448 1262896 2525792 4090483 8180966 16361932 32723864 65447728 69538211 130895456 139076422 278152844 556305688 1112611376 2225222752