15634222152 has 32 divisors (see below), whose sum is σ = 39636060480. Its totient is φ = 5138006720.

The previous prime is 15634222151. The next prime is 15634222169. The reversal of 15634222152 is 25122243651.

It is a happy number.

It is a super-2 number, since 2×15634222152² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15634222151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585803 + ... + 4589210.

It is an arithmetic number, because the mean of its divisors is an integer number (1238626890).

Almost surely, 2^15634222152 is an apocalyptic number.

15634222152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15634222152 is an abundant number, since it is smaller than the sum of its proper divisors (24001838328).

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

15634222152 is a wasteful number, since it uses less digits than its factorization.

15634222152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175093 (or 9175089 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The spelling of 15634222152 in words is "fifteen billion, six hundred thirty-four million, two hundred twenty-two thousand, one hundred fifty-two".