422320512 has 32 divisors (see below), whose sum is σ = 1121789880. Its totient is φ = 140773376.

The previous prime is 422320463. The next prime is 422320537. The reversal of 422320512 is 215023224.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×422320512² = 356709229711884288, which contains 22 as substring.

It is a congruent number.

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, 549513 + ... + 550280.

Almost surely, 2^422320512 is an apocalyptic number.

It is an amenable number.

422320512 is an abundant number, since it is smaller than the sum of its proper divisors (699469368).

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

422320512 is a wasteful number, since it uses less digits than its factorization.

422320512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099810 (or 1099798 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 422320512 is about 20550.4382435023. The cubic root of 422320512 is about 750.2639142326.

Adding to 422320512 its reverse (215023224), we get a palindrome (637343736).

The spelling of 422320512 in words is "four hundred twenty-two million, three hundred twenty thousand, five hundred twelve".