15255222 has 16 divisors (see below), whose sum is σ = 32305392. Its totient is φ = 4785920.

The previous prime is 15255197. The next prime is 15255269. The reversal of 15255222 is 22255251.

It is a junction number, because it is equal to n+sod(n) for n = 15255192 and 15255201.

It is a congruent number.

It is an unprimeable number.

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, 74679 + ... + 74882.

It is an arithmetic number, because the mean of its divisors is an integer number (2019087).

Almost surely, 2^15255222 is an apocalyptic number.

15255222 is an abundant number, since it is smaller than the sum of its proper divisors (17050170).

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

15255222 is a wasteful number, since it uses less digits than its factorization.

15255222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149583.

The product of its digits is 2000, while the sum is 24.

The square root of 15255222 is about 3905.7933893129. The cubic root of 15255222 is about 248.0120853458.

The spelling of 15255222 in words is "fifteen million, two hundred fifty-five thousand, two hundred twenty-two".