57221487622 has 32 divisors (see below), whose sum is σ = 92890828800. Its totient is φ = 26279925120.

The previous prime is 57221487613. The next prime is 57221487629. The reversal of 57221487622 is 22678412275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57221487629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4464379 + ... + 4477177.

It is an arithmetic number, because the mean of its divisors is an integer number (2902838400).

Almost surely, 2^57221487622 is an apocalyptic number.

57221487622 is a deficient number, since it is larger than the sum of its proper divisors (35669341178).

57221487622 is a wasteful number, since it uses less digits than its factorization.

57221487622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13648.

The product of its digits is 752640, while the sum is 46.

Adding to 57221487622 its reverse (22678412275), we get a palindrome (79899899897).

The spelling of 57221487622 in words is "fifty-seven billion, two hundred twenty-one million, four hundred eighty-seven thousand, six hundred twenty-two".