422690922 has 24 divisors (see below), whose sum is σ = 927426240. Its totient is φ = 139113000.

The previous prime is 422690909. The next prime is 422690977. The reversal of 422690922 is 229096224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147204 + ... + 150047.

It is an arithmetic number, because the mean of its divisors is an integer number (38642760).

Almost surely, 2^422690922 is an apocalyptic number.

422690922 is an abundant number, since it is smaller than the sum of its proper divisors (504735318).

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

422690922 is a wasteful number, since it uses less digits than its factorization.

422690922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297338 (or 297335 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 422690922 is about 20559.4484848208. The cubic root of 422690922 is about 750.4831979595.

The spelling of 422690922 in words is "four hundred twenty-two million, six hundred ninety thousand, nine hundred twenty-two".