522995727628 has 48 divisors (see below), whose sum is σ = 1013335303680. Its totient is φ = 234188150400.

The previous prime is 522995727623. The next prime is 522995727671. The reversal of 522995727628 is 826727599225.

It is a super-2 number, since 2×522995727628² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522995727628.

It is not an unprimeable number, because it can be changed into a prime (522995727623) 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, 2597833 + ... + 2791903.

It is an arithmetic number, because the mean of its divisors is an integer number (21111152160).

Almost surely, 2^522995727628 is an apocalyptic number.

It is an amenable number.

522995727628 is a deficient number, since it is larger than the sum of its proper divisors (490339576052).

522995727628 is a wasteful number, since it uses less digits than its factorization.

522995727628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194998 (or 194996 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 64.

The spelling of 522995727628 in words is "five hundred twenty-two billion, nine hundred ninety-five million, seven hundred twenty-seven thousand, six hundred twenty-eight".