623648622 has 32 divisors (see below), whose sum is σ = 1279514880. Its totient is φ = 202527680.

The previous prime is 623648617. The next prime is 623648633. The reversal of 623648622 is 226846326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240529 + ... + 243107.

It is an arithmetic number, because the mean of its divisors is an integer number (39984840).

Almost surely, 2^623648622 is an apocalyptic number.

623648622 is an abundant number, since it is smaller than the sum of its proper divisors (655866258).

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

623648622 is a wasteful number, since it uses less digits than its factorization.

623648622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608.

The product of its digits is 165888, while the sum is 39.

The square root of 623648622 is about 24972.9578144040. The cubic root of 623648622 is about 854.3713089730.

The spelling of 623648622 in words is "six hundred twenty-three million, six hundred forty-eight thousand, six hundred twenty-two".