57227290 has 8 divisors (see below), whose sum is σ = 103009140. Its totient is φ = 22890912.

The previous prime is 57227279. The next prime is 57227299. The reversal of 57227290 is 9272275.

It can be written as a sum of positive squares in 2 ways, for example, as 51652969 + 5574321 = 7187^2 + 2361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57227299) 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, 2861355 + ... + 2861374.

Almost surely, 2^57227290 is an apocalyptic number.

57227290 is a deficient number, since it is larger than the sum of its proper divisors (45781850).

57227290 is a wasteful number, since it uses less digits than its factorization.

57227290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722736.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 57227290 is about 7564.8721073129. The cubic root of 57227290 is about 385.3609702749.

The spelling of 57227290 in words is "fifty-seven million, two hundred twenty-seven thousand, two hundred ninety".