15220052 has 12 divisors (see below), whose sum is σ = 26814900. Its totient is φ = 7558656.

The previous prime is 15220031. The next prime is 15220067. The reversal of 15220052 is 25002251.

15220052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8737936 + 6482116 = 2956^2 + 2546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15220052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12173 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (2234575).

Almost surely, 2^15220052 is an apocalyptic number.

It is an amenable number.

15220052 is a deficient number, since it is larger than the sum of its proper divisors (11594848).

15220052 is a wasteful number, since it uses less digits than its factorization.

15220052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25690 (or 25688 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 15220052 is about 3901.2885050967. The cubic root of 15220052 is about 247.8213463588.

The spelling of 15220052 in words is "fifteen million, two hundred twenty thousand, fifty-two".