622745432 has 32 divisors (see below), whose sum is σ = 1183291200. Its totient is φ = 307221504.

The previous prime is 622745353. The next prime is 622745477. The reversal of 622745432 is 234547226.

622745432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 622745392 and 622745401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300833 + ... + 302895.

It is an arithmetic number, because the mean of its divisors is an integer number (36977850).

Almost surely, 2^622745432 is an apocalyptic number.

It is an amenable number.

622745432 is a deficient number, since it is larger than the sum of its proper divisors (560545768).

622745432 is a wasteful number, since it uses less digits than its factorization.

622745432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555 (or 2551 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 622745432 is about 24954.8679018744. The cubic root of 622745432 is about 853.9586661214.

The spelling of 622745432 in words is "six hundred twenty-two million, seven hundred forty-five thousand, four hundred thirty-two".