15122885 has 16 divisors (see below), whose sum is σ = 19176960. Its totient is φ = 11430720.

The previous prime is 15122869. The next prime is 15122897. The reversal of 15122885 is 58822151.

It is a happy number.

15122885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15122885 - 2⁴ = 15122869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5531 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (1198560).

Almost surely, 2^15122885 is an apocalyptic number.

It is an amenable number.

15122885 is a deficient number, since it is larger than the sum of its proper divisors (4054075).

15122885 is a wasteful number, since it uses less digits than its factorization.

15122885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348.

The product of its digits is 6400, while the sum is 32.

The square root of 15122885 is about 3888.8153723210. The cubic root of 15122885 is about 247.2928443800.

The spelling of 15122885 in words is "fifteen million, one hundred twenty-two thousand, eight hundred eighty-five".