422507532 has 12 divisors (see below), whose sum is σ = 985850936. Its totient is φ = 140835840.

The previous prime is 422507507. The next prime is 422507549. The reversal of 422507532 is 235705224.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×422507532² = 357025229193462048, 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 422507532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17604469 + ... + 17604492.

Almost surely, 2^422507532 is an apocalyptic number.

It is an amenable number.

422507532 is an abundant number, since it is smaller than the sum of its proper divisors (563343404).

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

422507532 is a wasteful number, since it uses less digits than its factorization.

422507532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35208968 (or 35208966 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 422507532 is about 20554.9880077805. The cubic root of 422507532 is about 750.3746465998.

The spelling of 422507532 in words is "four hundred twenty-two million, five hundred seven thousand, five hundred thirty-two".