422760856 has 32 divisors (see below), whose sum is σ = 908352000. Its totient is φ = 180696096.

The previous prime is 422760841. The next prime is 422760859. The reversal of 422760856 is 658067224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422760859) by changing a digit.

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, 11265 + ... + 31183.

It is an arithmetic number, because the mean of its divisors is an integer number (28386000).

Almost surely, 2^422760856 is an apocalyptic number.

It is an amenable number.

422760856 is an abundant number, since it is smaller than the sum of its proper divisors (485591144).

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

422760856 is a wasteful number, since it uses less digits than its factorization.

422760856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20311 (or 20307 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 422760856 is about 20561.1491896732. The cubic root of 422760856 is about 750.5245846993.

The spelling of 422760856 in words is "four hundred twenty-two million, seven hundred sixty thousand, eight hundred fifty-six".