57222794 has 16 divisors (see below), whose sum is σ = 92796000. Its totient is φ = 26372304.

The previous prime is 57222791. The next prime is 57222859. The reversal of 57222794 is 49722275.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (57222791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18944 + ... + 21755.

It is an arithmetic number, because the mean of its divisors is an integer number (5799750).

Almost surely, 2^57222794 is an apocalyptic number.

57222794 is a deficient number, since it is larger than the sum of its proper divisors (35573206).

57222794 is a wasteful number, since it uses less digits than its factorization.

57222794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40757.

The product of its digits is 70560, while the sum is 38.

The square root of 57222794 is about 7564.5749384880. The cubic root of 57222794 is about 385.3508781883.

The spelling of 57222794 in words is "fifty-seven million, two hundred twenty-two thousand, seven hundred ninety-four".