422605164 has 24 divisors (see below), whose sum is σ = 986478640. Its totient is φ = 140811264.

The previous prime is 422605129. The next prime is 422605223. The reversal of 422605164 is 461506224.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32472 + ... + 43584.

Almost surely, 2^422605164 is an apocalyptic number.

It is an amenable number.

422605164 is an abundant number, since it is smaller than the sum of its proper divisors (563873476).

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

422605164 is a wasteful number, since it uses less digits than its factorization.

422605164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14289 (or 14287 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 422605164 is about 20557.3627686043. The cubic root of 422605164 is about 750.4324403903.

The spelling of 422605164 in words is "four hundred twenty-two million, six hundred five thousand, one hundred sixty-four".