422470072 has 64 divisors (see below), whose sum is σ = 846028800. Its totient is φ = 197366400.

The previous prime is 422470039. The next prime is 422470091. The reversal of 422470072 is 270074224.

It is a self number, because there is not a number n which added to its sum of digits gives 422470072.

It is a congruent number.

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, 2360079 + ... + 2360257.

It is an arithmetic number, because the mean of its divisors is an integer number (13219200).

Almost surely, 2^422470072 is an apocalyptic number.

It is an amenable number.

422470072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

422470072 is a wasteful number, since it uses less digits than its factorization.

422470072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 422470072 is about 20554.0767732341. The cubic root of 422470072 is about 750.3524695869.

The spelling of 422470072 in words is "four hundred twenty-two million, four hundred seventy thousand, seventy-two".