57427422 has 16 divisors (see below), whose sum is σ = 123690000. Its totient is φ = 17669952.

The previous prime is 57427399. The next prime is 57427423. The reversal of 57427422 is 22472475.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57427423) 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, 368047 + ... + 368202.

It is an arithmetic number, because the mean of its divisors is an integer number (7730625).

Almost surely, 2^57427422 is an apocalyptic number.

57427422 is an abundant number, since it is smaller than the sum of its proper divisors (66262578).

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

57427422 is a wasteful number, since it uses less digits than its factorization.

57427422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736267.

The product of its digits is 31360, while the sum is 33.

The square root of 57427422 is about 7578.0882813543. The cubic root of 57427422 is about 385.8096683961.

Adding to 57427422 its reverse (22472475), we get a palindrome (79899897).

The spelling of 57427422 in words is "fifty-seven million, four hundred twenty-seven thousand, four hundred twenty-two".