15224252 has 24 divisors (see below), whose sum is σ = 28041216. Its totient is φ = 7218288.

The previous prime is 15224249. The next prime is 15224257. The reversal of 15224252 is 25242251.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15224257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11033 + ... + 12335.

It is an arithmetic number, because the mean of its divisors is an integer number (1168384).

Almost surely, 2^15224252 is an apocalyptic number.

It is an amenable number.

15224252 is a deficient number, since it is larger than the sum of its proper divisors (12816964).

15224252 is a wasteful number, since it uses less digits than its factorization.

15224252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).

The product of its digits is 1600, while the sum is 23.

The square root of 15224252 is about 3901.8267516639. The cubic root of 15224252 is about 247.8441398405.

The spelling of 15224252 in words is "fifteen million, two hundred twenty-four thousand, two hundred fifty-two".