57422212 has 12 divisors (see below), whose sum is σ = 100580956. Its totient is φ = 28684800.

The previous prime is 57422179. The next prime is 57422213. The reversal of 57422212 is 21222475.

It can be written as a sum of positive squares in 2 ways, for example, as 21013056 + 36409156 = 4584^2 + 6034^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (57422213) 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 3 ways as a sum of consecutive naturals, for example, 1173 + ... + 10780.

Almost surely, 2^57422212 is an apocalyptic number.

It is an amenable number.

57422212 is a deficient number, since it is larger than the sum of its proper divisors (43158744).

57422212 is a wasteful number, since it uses less digits than its factorization.

57422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13158 (or 13156 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 57422212 is about 7577.7445193144. The cubic root of 57422212 is about 385.7980007462.

Adding to 57422212 its reverse (21222475), we get a palindrome (78644687).

The spelling of 57422212 in words is "fifty-seven million, four hundred twenty-two thousand, two hundred twelve".