822943422 has 64 divisors (see below), whose sum is σ = 2157465600. Its totient is φ = 227538720.

The previous prime is 822943403. The next prime is 822943439. The reversal of 822943422 is 224349228.

822943422 is a `hidden beast` number, since 8 + 229 + 4 + 3 + 422 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23397 + ... + 46832.

It is an arithmetic number, because the mean of its divisors is an integer number (33710400).

Almost surely, 2^822943422 is an apocalyptic number.

822943422 is an abundant number, since it is smaller than the sum of its proper divisors (1334522178).

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

822943422 is a wasteful number, since it uses less digits than its factorization.

822943422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70278 (or 70272 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 822943422 is about 28686.9904660632. The cubic root of 822943422 is about 937.1087493805.

The spelling of 822943422 in words is "eight hundred twenty-two million, nine hundred forty-three thousand, four hundred twenty-two".