422221056 has 36 divisors (see below), whose sum is σ = 1123725792. Its totient is φ = 140740096.

The previous prime is 422221049. The next prime is 422221081. The reversal of 422221056 is 650122224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 274116 + ... + 275651.

Almost surely, 2^422221056 is an apocalyptic number.

It is an amenable number.

422221056 is an abundant number, since it is smaller than the sum of its proper divisors (701504736).

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

422221056 is an equidigital number, since it uses as much as digits as its factorization.

422221056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549786 (or 549772 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 422221056 is about 20548.0182986097. The cubic root of 422221056 is about 750.2050141760.

The spelling of 422221056 in words is "four hundred twenty-two million, two hundred twenty-one thousand, fifty-six".