422661136 has 20 divisors (see below), whose sum is σ = 823068972. Its totient is φ = 210256256.

The previous prime is 422661121. The next prime is 422661143. The reversal of 422661136 is 631166224.

It can be written as a sum of positive squares in 2 ways, for example, as 389667600 + 32993536 = 19740^2 + 5744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422661098 and 422661107.

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, 63895 + ... + 70198.

Almost surely, 2^422661136 is an apocalyptic number.

It is an amenable number.

422661136 is a deficient number, since it is larger than the sum of its proper divisors (400407836).

422661136 is a wasteful number, since it uses less digits than its factorization.

422661136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134298 (or 134292 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 422661136 is about 20558.7240849232. The cubic root of 422661136 is about 750.4655693042.

The spelling of 422661136 in words is "four hundred twenty-two million, six hundred sixty-one thousand, one hundred thirty-six".