422421576831 has 12 divisors (see below), whose sum is σ = 610332036808. Its totient is φ = 281537059824.

The previous prime is 422421576821. The next prime is 422421576869. The reversal of 422421576831 is 138675124224.

422421576831 is a `hidden beast` number, since 4 + 2 + 2 + 42 + 1 + 576 + 8 + 31 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-422421576831 is a prime.

It is a super-2 number, since 2×422421576831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422421576821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6409120 + ... + 6474693.

Almost surely, 2^422421576831 is an apocalyptic number.

422421576831 is a deficient number, since it is larger than the sum of its proper divisors (187910459977).

422421576831 is a wasteful number, since it uses less digits than its factorization.

422421576831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887462 (or 12887459 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 422421576831 in words is "four hundred twenty-two billion, four hundred twenty-one million, five hundred seventy-six thousand, eight hundred thirty-one".