422387832 has 64 divisors (see below), whose sum is σ = 1076238720. Its totient is φ = 138112128.

The previous prime is 422387827. The next prime is 422387837. The reversal of 422387832 is 238783224.

It is an interprime number because it is at equal distance from previous prime (422387827) and next prime (422387837).

It is a super-2 number, since 2×422387832² = 356822961243320448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422387837) 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, 557598 + ... + 558354.

It is an arithmetic number, because the mean of its divisors is an integer number (16816230).

Almost surely, 2^422387832 is an apocalyptic number.

It is an amenable number.

422387832 is an abundant number, since it is smaller than the sum of its proper divisors (653850888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422387832 is a wasteful number, since it uses less digits than its factorization.

422387832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1176 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 422387832 is about 20552.0760995088. The cubic root of 422387832 is about 750.3037773869.

The spelling of 422387832 in words is "four hundred twenty-two million, three hundred eighty-seven thousand, eight hundred thirty-two".