15252225236 has 12 divisors (see below), whose sum is σ = 26692927380. Its totient is φ = 7625674560.

The previous prime is 15252225217. The next prime is 15252225239. The reversal of 15252225236 is 63252225251.

It can be written as a sum of positive squares in 2 ways, for example, as 14976864400 + 275360836 = 122380^2 + 16594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15252225196 and 15252225205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15252225239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23705 + ... + 176256.

It is an arithmetic number, because the mean of its divisors is an integer number (2224410615).

Almost surely, 2^15252225236 is an apocalyptic number.

It is an amenable number.

15252225236 is a deficient number, since it is larger than the sum of its proper divisors (11440702144).

15252225236 is a wasteful number, since it uses less digits than its factorization.

15252225236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219034 (or 219032 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The spelling of 15252225236 in words is "fifteen billion, two hundred fifty-two million, two hundred twenty-five thousand, two hundred thirty-six".