422362431 has 12 divisors (see below), whose sum is σ = 632674952. Its totient is φ = 281574792.

The previous prime is 422362429. The next prime is 422362453. The reversal of 422362431 is 134263224.

422362431 is a `hidden beast` number, since 4 + 2 + 2 + 3 + 624 + 31 = 666.

It is not a de Polignac number, because 422362431 - 2¹ = 422362429 is a prime.

It is a super-2 number, since 2×422362431² = 356780046240459522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422362395 and 422362404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422362411) 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, 868816 + ... + 869301.

Almost surely, 2^422362431 is an apocalyptic number.

422362431 is a deficient number, since it is larger than the sum of its proper divisors (210312521).

422362431 is an equidigital number, since it uses as much as digits as its factorization.

422362431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738132 (or 1738120 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 422362431 is about 20551.4581234520. The cubic root of 422362431 is about 750.2887368271.

The spelling of 422362431 in words is "four hundred twenty-two million, three hundred sixty-two thousand, four hundred thirty-one".