57222664821 has 48 divisors (see below), whose sum is σ = 96855616000. Its totient is φ = 31873474080.

The previous prime is 57222664817. The next prime is 57222664841. The reversal of 57222664821 is 12846622275.

It is not a de Polignac number, because 57222664821 - 2² = 57222664817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57222664801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1330626 + ... + 1372956.

Almost surely, 2^57222664821 is an apocalyptic number.

It is an amenable number.

57222664821 is a deficient number, since it is larger than the sum of its proper divisors (39632951179).

57222664821 is a wasteful number, since it uses less digits than its factorization.

57222664821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42886 (or 42883 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 57222664821 in words is "fifty-seven billion, two hundred twenty-two million, six hundred sixty-four thousand, eight hundred twenty-one".