422997875 has 16 divisors (see below), whose sum is σ = 542174880. Its totient is φ = 329248800.

The previous prime is 422997803. The next prime is 422997881. The reversal of 422997875 is 578799224.

It is not a de Polignac number, because 422997875 - 2²² = 418803571 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41105 + ... + 50354.

It is an arithmetic number, because the mean of its divisors is an integer number (33885930).

Almost surely, 2^422997875 is an apocalyptic number.

422997875 is a deficient number, since it is larger than the sum of its proper divisors (119177005).

422997875 is an equidigital number, since it uses as much as digits as its factorization.

422997875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91511 (or 91501 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 422997875 is about 20566.9121406204. The cubic root of 422997875 is about 750.6648179228.

The spelling of 422997875 in words is "four hundred twenty-two million, nine hundred ninety-seven thousand, eight hundred seventy-five".