57798222 has 16 divisors (see below), whose sum is σ = 116008320. Its totient is φ = 19197432.

The previous prime is 57798197. The next prime is 57798263. The reversal of 57798222 is 22289775.

It is a happy number.

It is a super-2 number, since 2×57798222² = 6681268932722568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15322 + ... + 18717.

It is an arithmetic number, because the mean of its divisors is an integer number (7250520).

Almost surely, 2^57798222 is an apocalyptic number.

57798222 is an abundant number, since it is smaller than the sum of its proper divisors (58210098).

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

57798222 is a wasteful number, since it uses less digits than its factorization.

57798222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34327.

The product of its digits is 141120, while the sum is 42.

The square root of 57798222 is about 7602.5141893981. The cubic root of 57798222 is about 386.6382587466.

The spelling of 57798222 in words is "fifty-seven million, seven hundred ninety-eight thousand, two hundred twenty-two".