422256637372 has 12 divisors (see below), whose sum is σ = 743842819216. Its totient is φ = 209730117600.

The previous prime is 422256637289. The next prime is 422256637379. The reversal of 422256637372 is 273736652224.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422256637379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349549593 + ... + 349550800.

Almost surely, 2^422256637372 is an apocalyptic number.

It is an amenable number.

422256637372 is a deficient number, since it is larger than the sum of its proper divisors (321586181844).

422256637372 is a wasteful number, since it uses less digits than its factorization.

422256637372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699100548 (or 699100546 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 49.

The spelling of 422256637372 in words is "four hundred twenty-two billion, two hundred fifty-six million, six hundred thirty-seven thousand, three hundred seventy-two".