422402940 has 72 divisors (see below), whose sum is σ = 1283274720. Its totient is φ = 112466304.

The previous prime is 422402933. The next prime is 422402963. The reversal of 422402940 is 49204224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149622 + ... + 152418.

It is an arithmetic number, because the mean of its divisors is an integer number (17823260).

Almost surely, 2^422402940 is an apocalyptic number.

It is an amenable number.

422402940 is an abundant number, since it is smaller than the sum of its proper divisors (860871780).

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

422402940 is a wasteful number, since it uses less digits than its factorization.

422402940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3646 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 422402940 is about 20552.4436503302. The cubic root of 422402940 is about 750.3127229210.

The spelling of 422402940 in words is "four hundred twenty-two million, four hundred two thousand, nine hundred forty".