27772252 has 12 divisors (see below), whose sum is σ = 49787136. Its totient is φ = 13547360.

The previous prime is 27772231. The next prime is 27772307. The reversal of 27772252 is 25227772.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84508 + ... + 84835.

It is an arithmetic number, because the mean of its divisors is an integer number (4148928).

Almost surely, 2^27772252 is an apocalyptic number.

It is an amenable number.

27772252 is a deficient number, since it is larger than the sum of its proper divisors (22014884).

27772252 is a wasteful number, since it uses less digits than its factorization.

27772252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169388 (or 169386 counting only the distinct ones).

The product of its digits is 27440, while the sum is 34.

The square root of 27772252 is about 5269.9385195655. The cubic root of 27772252 is about 302.8333487977.

The spelling of 27772252 in words is "twenty-seven million, seven hundred seventy-two thousand, two hundred fifty-two".