27224256 has 28 divisors (see below), whose sum is σ = 72031352. Its totient is φ = 9074688.

The previous prime is 27224227. The next prime is 27224257. The reversal of 27224256 is 65242272.

It is a super-2 number, since 2×27224256² = 1482320229507072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27224257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70705 + ... + 71088.

Almost surely, 2^27224256 is an apocalyptic number.

It is an amenable number.

27224256 is an abundant number, since it is smaller than the sum of its proper divisors (44807096).

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

27224256 is a wasteful number, since it uses less digits than its factorization.

27224256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141808 (or 141798 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 27224256 is about 5217.6868438035. The cubic root of 27224256 is about 300.8282887987.

The spelling of 27224256 in words is "twenty-seven million, two hundred twenty-four thousand, two hundred fifty-six".