422431056 has 30 divisors (see below), whose sum is σ = 1182220650. Its totient is φ = 140810304.

The previous prime is 422431019. The next prime is 422431063. The reversal of 422431056 is 650134224.

It can be written as a sum of positive squares in only one way, i.e., 348195600 + 74235456 = 18660^2 + 8616^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1466631 + ... + 1466918.

It is an arithmetic number, because the mean of its divisors is an integer number (39407355).

Almost surely, 2^422431056 is an apocalyptic number.

It is an amenable number.

422431056 is an abundant number, since it is smaller than the sum of its proper divisors (759789594).

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

422431056 is a wasteful number, since it uses less digits than its factorization.

422431056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933563 (or 2933554 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 422431056 is about 20553.1276452028. The cubic root of 422431056 is about 750.3293699994.

The spelling of 422431056 in words is "four hundred twenty-two million, four hundred thirty-one thousand, fifty-six".