15056222 has 4 divisors (see below), whose sum is σ = 22584336. Its totient is φ = 7528110.

The previous prime is 15056213. The next prime is 15056281. The reversal of 15056222 is 22265051.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764054 + ... + 3764057.

It is an arithmetic number, because the mean of its divisors is an integer number (5646084).

Almost surely, 2^15056222 is an apocalyptic number.

15056222 is a deficient number, since it is larger than the sum of its proper divisors (7528114).

15056222 is an equidigital number, since it uses as much as digits as its factorization.

15056222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528113.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 15056222 is about 3880.2347867107. The cubic root of 15056222 is about 246.9289463267.

The spelling of 15056222 in words is "fifteen million, fifty-six thousand, two hundred twenty-two".