27220772 has 12 divisors (see below), whose sum is σ = 47845980. Its totient is φ = 13550496.

The previous prime is 27220733. The next prime is 27220777. The reversal of 27220772 is 27702272.

It can be written as a sum of positive squares in 2 ways, for example, as 24344356 + 2876416 = 4934^2 + 1696^2 .

It is not an unprimeable number, because it can be changed into a prime (27220777) 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, 13943 + ... + 15774.

It is an arithmetic number, because the mean of its divisors is an integer number (3987165).

Almost surely, 2^27220772 is an apocalyptic number.

It is an amenable number.

27220772 is a deficient number, since it is larger than the sum of its proper divisors (20625208).

27220772 is a wasteful number, since it uses less digits than its factorization.

27220772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29950 (or 29948 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 27220772 is about 5217.3529686997. The cubic root of 27220772 is about 300.8154555068.

The spelling of 27220772 in words is "twenty-seven million, two hundred twenty thousand, seven hundred seventy-two".