57022 has 8 divisors (see below), whose sum is σ = 97776. Its totient is φ = 24432.

The previous prime is 56999. The next prime is 57037. The reversal of 57022 is 22075.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 56987 and 57005.

It is a congruent number.

It is an unprimeable number.

57022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023 + ... + 2050.

It is an arithmetic number, because the mean of its divisors is an integer number (12222).

2⁵⁷⁰²² is an apocalyptic number.

57022 is a deficient number, since it is larger than the sum of its proper divisors (40754).

57022 is a wasteful number, since it uses less digits than its factorization.

57022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 57022 is about 238.7927972113. The cubic root of 57022 is about 38.4899619639.

Adding to 57022 its reverse (22075), we get a palindrome (79097).

The spelling of 57022 in words is "fifty-seven thousand, twenty-two".