422204022 has 32 divisors (see below), whose sum is σ = 939051360. Its totient is φ = 140611680.

The previous prime is 422203981. The next prime is 422204023. The reversal of 422204022 is 220402224.

422204022 is a `hidden beast` number, since 42 + 220 + 402 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 422203986 and 422204004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422204023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75772 + ... + 81152.

It is an arithmetic number, because the mean of its divisors is an integer number (29345355).

Almost surely, 2^422204022 is an apocalyptic number.

422204022 is an abundant number, since it is smaller than the sum of its proper divisors (516847338).

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

422204022 is a wasteful number, since it uses less digits than its factorization.

422204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845 (or 6839 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 422204022 is about 20547.6038019035. The cubic root of 422204022 is about 750.1949253344.

Adding to 422204022 its reverse (220402224), we get a palindrome (642606246).

The spelling of 422204022 in words is "four hundred twenty-two million, two hundred four thousand, twenty-two".