422653231 has 16 divisors (see below), whose sum is σ = 567479808. Its totient is φ = 304005600.

The previous prime is 422653223. The next prime is 422653241. The reversal of 422653231 is 132356224.

It is a cyclic number.

It is not a de Polignac number, because 422653231 - 2³ = 422653223 is a prime.

It is a super-2 number, since 2×422653231² = 357271507349478722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422653231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422653211) 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, 210115 + ... + 212116.

It is an arithmetic number, because the mean of its divisors is an integer number (35467488).

Almost surely, 2^422653231 is an apocalyptic number.

422653231 is a deficient number, since it is larger than the sum of its proper divisors (144826577).

422653231 is a wasteful number, since it uses less digits than its factorization.

422653231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422262.

The product of its digits is 8640, while the sum is 28.

The square root of 422653231 is about 20558.5318298754. The cubic root of 422653231 is about 750.4608906410.

The spelling of 422653231 in words is "four hundred twenty-two million, six hundred fifty-three thousand, two hundred thirty-one".