422985884 has 12 divisors (see below), whose sum is σ = 741329904. Its totient is φ = 211177344.

The previous prime is 422985859. The next prime is 422985907. The reversal of 422985884 is 488589224.

It is a happy number.

It is a super-2 number, since 2×422985884² = 357834116126522912, which contains 22 as substring.

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, 75872 + ... + 81255.

It is an arithmetic number, because the mean of its divisors is an integer number (61777492).

Almost surely, 2^422985884 is an apocalyptic number.

It is an amenable number.

422985884 is a deficient number, since it is larger than the sum of its proper divisors (318344020).

422985884 is a wasteful number, since it uses less digits than its factorization.

422985884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157804 (or 157802 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 50.

The square root of 422985884 is about 20566.6206266367. The cubic root of 422985884 is about 750.6577246587.

The spelling of 422985884 in words is "four hundred twenty-two million, nine hundred eighty-five thousand, eight hundred eighty-four".