57056222 has 8 divisors (see below), whose sum is σ = 85647672. Its totient is φ = 28507000.

The previous prime is 57056191. The next prime is 57056243. The reversal of 57056222 is 22265075.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6929 + ... + 12732.

It is an arithmetic number, because the mean of its divisors is an integer number (10705959).

Almost surely, 2^57056222 is an apocalyptic number.

57056222 is a deficient number, since it is larger than the sum of its proper divisors (28591450).

57056222 is a wasteful number, since it uses less digits than its factorization.

57056222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21114.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 57056222 is about 7553.5569104893. The cubic root of 57056222 is about 384.9766039642.

The spelling of 57056222 in words is "fifty-seven million, fifty-six thousand, two hundred twenty-two".