15344622252 has 18 divisors (see below), whose sum is σ = 38787795228. Its totient is φ = 5114874072.

The previous prime is 15344622233. The next prime is 15344622287. The reversal of 15344622252 is 25222644351.

15344622252 is a `hidden beast` number, since 1 + 5 + 3 + 4 + 4 + 622 + 25 + 2 = 666.

15344622252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 426239507 = 15344622252 / (1 + 5 + 3 + 4 + 4 + 6 + 2 + 2 + 2 + 5 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213119718 + ... + 213119789.

Almost surely, 2^15344622252 is an apocalyptic number.

15344622252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15344622252 is an abundant number, since it is smaller than the sum of its proper divisors (23443172976).

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

15344622252 is a wasteful number, since it uses less digits than its factorization.

15344622252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426239517 (or 426239512 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 15344622252 in words is "fifteen billion, three hundred forty-four million, six hundred twenty-two thousand, two hundred fifty-two".