15222752 has 24 divisors (see below), whose sum is σ = 31733856. Its totient is φ = 7163392.

The previous prime is 15222719. The next prime is 15222761. The reversal of 15222752 is 25722251.

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 3 ways as a sum of consecutive naturals, for example, 13448 + ... + 14535.

It is an arithmetic number, because the mean of its divisors is an integer number (1322244).

Almost surely, 2^15222752 is an apocalyptic number.

It is an amenable number.

15222752 is an abundant number, since it is smaller than the sum of its proper divisors (16511104).

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

15222752 is a wasteful number, since it uses less digits than its factorization.

15222752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28010 (or 28002 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 15222752 is about 3901.6345292710. The cubic root of 15222752 is about 247.8359997926.

The spelling of 15222752 in words is "fifteen million, two hundred twenty-two thousand, seven hundred fifty-two".