422564322 has 16 divisors (see below), whose sum is σ = 845637120. Its totient is φ = 140770032.

The previous prime is 422564321. The next prime is 422564323. The reversal of 422564322 is 223465224.

It is an interprime number because it is at equal distance from previous prime (422564321) and next prime (422564323).

It is a self number, because there is not a number n which added to its sum of digits gives 422564322.

It is not an unprimeable number, because it can be changed into a prime (422564321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9922 + ... + 30717.

It is an arithmetic number, because the mean of its divisors is an integer number (52852320).

Almost surely, 2^422564322 is an apocalyptic number.

422564322 is an abundant number, since it is smaller than the sum of its proper divisors (423072798).

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

422564322 is a wasteful number, since it uses less digits than its factorization.

422564322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42377.

The product of its digits is 23040, while the sum is 30.

The square root of 422564322 is about 20556.3693778838. The cubic root of 422564322 is about 750.4082648306.

The spelling of 422564322 in words is "four hundred twenty-two million, five hundred sixty-four thousand, three hundred twenty-two".