57022666 has 8 divisors (see below), whose sum is σ = 85843620. Its totient is φ = 28408128.

The previous prime is 57022657. The next prime is 57022673. The reversal of 57022666 is 66622075.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55875625 + 1147041 = 7475^2 + 1071^2 .

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

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, 50911 + ... + 52018.

Almost surely, 2^57022666 is an apocalyptic number.

57022666 is a deficient number, since it is larger than the sum of its proper divisors (28820954).

57022666 is a wasteful number, since it uses less digits than its factorization.

57022666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103208.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 57022666 is about 7551.3353785936. The cubic root of 57022666 is about 384.9011181375.

The spelling of 57022666 in words is "fifty-seven million, twenty-two thousand, six hundred sixty-six".