422636346 has 32 divisors (see below), whose sum is σ = 1024574400. Its totient is φ = 128071440.

The previous prime is 422636341. The next prime is 422636353. The reversal of 422636346 is 643636224.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 422636346.

It is not an unprimeable number, because it can be changed into a prime (422636341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355161 + ... + 356348.

It is an arithmetic number, because the mean of its divisors is an integer number (32017950).

Almost surely, 2^422636346 is an apocalyptic number.

422636346 is an abundant number, since it is smaller than the sum of its proper divisors (601938054).

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

422636346 is a wasteful number, since it uses less digits than its factorization.

422636346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711531 (or 711525 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 422636346 is about 20558.1211690174. The cubic root of 422636346 is about 750.4508968684.

The spelling of 422636346 in words is "four hundred twenty-two million, six hundred thirty-six thousand, three hundred forty-six".