422550056 has 8 divisors (see below), whose sum is σ = 792281370. Its totient is φ = 211275024.

The previous prime is 422550047. The next prime is 422550091. The reversal of 422550056 is 650055224.

It can be written as a sum of positive squares in only one way, i.e., 421480900 + 1069156 = 20530^2 + 1034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26409371 + ... + 26409386.

Almost surely, 2^422550056 is an apocalyptic number.

It is an amenable number.

422550056 is a deficient number, since it is larger than the sum of its proper divisors (369731314).

422550056 is a wasteful number, since it uses less digits than its factorization.

422550056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52818763 (or 52818759 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 422550056 is about 20556.0223778824. The cubic root of 422550056 is about 750.3998200059.

The spelling of 422550056 in words is "four hundred twenty-two million, five hundred fifty thousand, fifty-six".