422154572 has 24 divisors (see below), whose sum is σ = 845107200. Its totient is φ = 180752400.

The previous prime is 422154563. The next prime is 422154583. The reversal of 422154572 is 275451224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25679 + ... + 38777.

It is an arithmetic number, because the mean of its divisors is an integer number (35212800).

Almost surely, 2^422154572 is an apocalyptic number.

It is an amenable number.

422154572 is an abundant number, since it is smaller than the sum of its proper divisors (422952628).

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

422154572 is a wasteful number, since it uses less digits than its factorization.

422154572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14261 (or 14259 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 422154572 is about 20546.4004633415. The cubic root of 422154572 is about 750.1656357134.

The spelling of 422154572 in words is "four hundred twenty-two million, one hundred fifty-four thousand, five hundred seventy-two".