422686224 has 60 divisors (see below), whose sum is σ = 1214920876. Its totient is φ = 137085696.

The previous prime is 422686219. The next prime is 422686301.

422686224 is a `hidden beast` number, since 4 + 2 + 26 + 8 + 622 + 4 = 666.

422686224 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 296528400 + 126157824 = 17220^2 + 11232^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34339 + ... + 44994.

Almost surely, 2^422686224 is an apocalyptic number.

It is an amenable number.

422686224 is an abundant number, since it is smaller than the sum of its proper divisors (792234652).

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

422686224 is a wasteful number, since it uses less digits than its factorization.

422686224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79384 (or 79375 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 422686224 is about 20559.3342304657. The cubic root of 422686224 is about 750.4804175330.

The spelling of 422686224 in words is "four hundred twenty-two million, six hundred eighty-six thousand, two hundred twenty-four".