27792228 has 24 divisors (see below), whose sum is σ = 66229632. Its totient is φ = 9066784.

The previous prime is 27792227. The next prime is 27792251. The reversal of 27792228 is 82229772.

It is not an unprimeable number, because it can be changed into a prime (27792221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24075 + ... + 25202.

It is an arithmetic number, because the mean of its divisors is an integer number (2759568).

Almost surely, 2^27792228 is an apocalyptic number.

It is an amenable number.

27792228 is an abundant number, since it is smaller than the sum of its proper divisors (38437404).

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

27792228 is a wasteful number, since it uses less digits than its factorization.

27792228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49331 (or 49329 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 27792228 is about 5271.8334571570. The cubic root of 27792228 is about 302.9059386277.

The spelling of 27792228 in words is "twenty-seven million, seven hundred ninety-two thousand, two hundred twenty-eight".