57222770 has 32 divisors (see below), whose sum is σ = 112677696. Its totient is φ = 20750400.

The previous prime is 57222769. The next prime is 57222791. The reversal of 57222770 is 7722275.

57222770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72317 + ... + 73103.

It is an arithmetic number, because the mean of its divisors is an integer number (3521178).

Almost surely, 2^57222770 is an apocalyptic number.

57222770 is a deficient number, since it is larger than the sum of its proper divisors (55454926).

57222770 is a wasteful number, since it uses less digits than its factorization.

57222770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 57222770 is about 7564.5733521462. The cubic root of 57222770 is about 385.3508243146.

The spelling of 57222770 in words is "fifty-seven million, two hundred twenty-two thousand, seven hundred seventy".