422022321 has 12 divisors (see below), whose sum is σ = 696671872. Its totient is φ = 241155576.

The previous prime is 422022311. The next prime is 422022373. The reversal of 422022321 is 123220224.

422022321 is a `hidden beast` number, since 422 + 0 + 223 + 21 = 666.

It is not a de Polignac number, because 422022321 - 2²² = 417828017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422022294 and 422022303.

It is not an unprimeable number, because it can be changed into a prime (422022311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3349321 + ... + 3349446.

Almost surely, 2^422022321 is an apocalyptic number.

It is an amenable number.

422022321 is a deficient number, since it is larger than the sum of its proper divisors (274649551).

422022321 is a wasteful number, since it uses less digits than its factorization.

422022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6698780 (or 6698777 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 422022321 is about 20543.1818616299. The cubic root of 422022321 is about 750.0872911733.

Adding to 422022321 its reverse (123220224), we get a palindrome (545242545).

The spelling of 422022321 in words is "four hundred twenty-two million, twenty-two thousand, three hundred twenty-one".