422012808 has 64 divisors (see below), whose sum is σ = 1339728000. Its totient is φ = 120574656.

The previous prime is 422012807. The next prime is 422012821. The reversal of 422012808 is 808210224.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (422012803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138043 + ... + 141066.

It is an arithmetic number, because the mean of its divisors is an integer number (20933250).

Almost surely, 2^422012808 is an apocalyptic number.

It is an amenable number.

422012808 is an abundant number, since it is smaller than the sum of its proper divisors (917715192).

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

422012808 is a wasteful number, since it uses less digits than its factorization.

422012808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279131 (or 279121 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 422012808 is about 20542.9503236512. The cubic root of 422012808 is about 750.0816551096.

The spelling of 422012808 in words is "four hundred twenty-two million, twelve thousand, eight hundred eight".