422504887 has 12 divisors (see below), whose sum is σ = 496277040. Its totient is φ = 352351296.

The previous prime is 422504879. The next prime is 422504897. The reversal of 422504887 is 788405224.

It is not a de Polignac number, because 422504887 - 2³ = 422504879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422504807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12462 + ... + 31627.

It is an arithmetic number, because the mean of its divisors is an integer number (41356420).

Almost surely, 2^422504887 is an apocalyptic number.

422504887 is a deficient number, since it is larger than the sum of its proper divisors (73772153).

422504887 is an equidigital number, since it uses as much as digits as its factorization.

422504887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44170 (or 44133 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 422504887 is about 20554.9236680655. The cubic root of 422504887 is about 750.3730807539.

The spelling of 422504887 in words is "four hundred twenty-two million, five hundred four thousand, eight hundred eighty-seven".