422536072 has 16 divisors (see below), whose sum is σ = 905434560. Its totient is φ = 181086864.

The previous prime is 422536069. The next prime is 422536091. The reversal of 422536072 is 270635224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3772588 + ... + 3772699.

It is an arithmetic number, because the mean of its divisors is an integer number (56589660).

Almost surely, 2^422536072 is an apocalyptic number.

It is an amenable number.

422536072 is an abundant number, since it is smaller than the sum of its proper divisors (482898488).

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

422536072 is a wasteful number, since it uses less digits than its factorization.

422536072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545300 (or 7545296 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 422536072 is about 20555.6822314415. The cubic root of 422536072 is about 750.3915419280.

The spelling of 422536072 in words is "four hundred twenty-two million, five hundred thirty-six thousand, seventy-two".