422523655344564 has 192 divisors, whose sum is σ = 1045139626460160. Its totient is φ = 132718718080000.

The previous prime is 422523655344449. The next prime is 422523655344569. The reversal of 422523655344564 is 465443556325224.

It is a junction number, because it is equal to n+sod(n) for n = 422523655344498 and 422523655344507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422523655344569) 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 63 ways as a sum of consecutive naturals, for example, 383519407 + ... + 384619529.

It is an arithmetic number, because the mean of its divisors is an integer number (5443435554480).

Almost surely, 2^{422523655344564} is an apocalyptic number.

It is an amenable number.

422523655344564 is an abundant number, since it is smaller than the sum of its proper divisors (622615971115596).

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

422523655344564 is a wasteful number, since it uses less digits than its factorization.

422523655344564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100462 (or 1100460 counting only the distinct ones).

The product of its digits is 414720000, while the sum is 60.

The spelling of 422523655344564 in words is "four hundred twenty-two trillion, five hundred twenty-three billion, six hundred fifty-five million, three hundred forty-four thousand, five hundred sixty-four".