57402422 has 32 divisors (see below), whose sum is σ = 109555200. Its totient is φ = 22361640.

The previous prime is 57402391. The next prime is 57402437. The reversal of 57402422 is 22420475.

It is a junction number, because it is equal to n+sod(n) for n = 57402391 and 57402400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3743 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (3423600).

Almost surely, 2^57402422 is an apocalyptic number.

57402422 is a deficient number, since it is larger than the sum of its proper divisors (52152778).

57402422 is a wasteful number, since it uses less digits than its factorization.

57402422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641 (or 7627 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 57402422 is about 7576.4386092675. The cubic root of 57402422 is about 385.7536751596.

Adding to 57402422 its reverse (22420475), we get a palindrome (79822897).

The spelling of 57402422 in words is "fifty-seven million, four hundred two thousand, four hundred twenty-two".