15223252 has 36 divisors (see below), whose sum is σ = 29762208. Its totient is φ = 6806800.

The previous prime is 15223213. The next prime is 15223283. The reversal of 15223252 is 25232251.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34143 + ... + 34585.

It is an arithmetic number, because the mean of its divisors is an integer number (826728).

Almost surely, 2^15223252 is an apocalyptic number.

It is an amenable number.

15223252 is a deficient number, since it is larger than the sum of its proper divisors (14538956).

15223252 is a wasteful number, since it uses less digits than its factorization.

15223252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 527 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 15223252 is about 3901.6986044542. The cubic root of 15223252 is about 247.8387132013.

It can be divided in two parts, 1522 and 3252, that added together give a palindrome (4774).

The spelling of 15223252 in words is "fifteen million, two hundred twenty-three thousand, two hundred fifty-two".