422625402 has 24 divisors (see below), whose sum is σ = 917141940. Its totient is φ = 140651520.

The previous prime is 422625383. The next prime is 422625451. The reversal of 422625402 is 204526224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 323244441 + 99380961 = 17979^2 + 9969^2 .

It is a super-2 number, since 2×422625402² = 357224460831323208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6777 + ... + 29852.

Almost surely, 2^422625402 is an apocalyptic number.

422625402 is an abundant number, since it is smaller than the sum of its proper divisors (494516538).

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

422625402 is a wasteful number, since it uses less digits than its factorization.

422625402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37278 (or 37275 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 422625402 is about 20557.8549951107. The cubic root of 422625402 is about 750.4444192700. Note that the first 4 decimals are identical.

The spelling of 422625402 in words is "four hundred twenty-two million, six hundred twenty-five thousand, four hundred two".