422623645436 has 12 divisors (see below), whose sum is σ = 739612185312. Its totient is φ = 211305878208.

The previous prime is 422623645417. The next prime is 422623645441. The reversal of 422623645436 is 634546326224.

It is a super-2 number, since 2×422623645436² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324205 + ... + 1612068.

It is an arithmetic number, because the mean of its divisors is an integer number (61634348776).

Almost surely, 2^422623645436 is an apocalyptic number.

It is an amenable number.

422623645436 is a deficient number, since it is larger than the sum of its proper divisors (316988539876).

422623645436 is a wasteful number, since it uses less digits than its factorization.

422623645436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972260 (or 2972258 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 47.

The spelling of 422623645436 in words is "four hundred twenty-two billion, six hundred twenty-three million, six hundred forty-five thousand, four hundred thirty-six".