57822220 has 48 divisors (see below), whose sum is σ = 125193600. Its totient is φ = 22421504.

The previous prime is 57822181. The next prime is 57822227. The reversal of 57822220 is 2222875.

It is not an unprimeable number, because it can be changed into a prime (57822227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128556 + ... + 129004.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 2^57822220 is an apocalyptic number.

It is an amenable number.

57822220 is an abundant number, since it is smaller than the sum of its proper divisors (67371380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57822220 is a wasteful number, since it uses less digits than its factorization.

57822220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 57822220 is about 7604.0923192712. The cubic root of 57822220 is about 386.6917624748.

The spelling of 57822220 in words is "fifty-seven million, eight hundred twenty-two thousand, two hundred twenty".