422456788 has 12 divisors (see below), whose sum is σ = 796168660. Its totient is φ = 194980032.

The previous prime is 422456753. The next prime is 422456813. The reversal of 422456788 is 887654224.

It can be written as a sum of positive squares in 2 ways, for example, as 189833284 + 232623504 = 13778^2 + 15252^2 .

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, 4062033 + ... + 4062136.

Almost surely, 2^422456788 is an apocalyptic number.

It is an amenable number.

422456788 is a deficient number, since it is larger than the sum of its proper divisors (373711872).

422456788 is a wasteful number, since it uses less digits than its factorization.

422456788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124186 (or 8124184 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 422456788 is about 20553.7536231220. The cubic root of 422456788 is about 750.3446048983.

The spelling of 422456788 in words is "four hundred twenty-two million, four hundred fifty-six thousand, seven hundred eighty-eight".