622792945 has 32 divisors (see below), whose sum is σ = 788336640. Its totient is φ = 471744000.

The previous prime is 622792931. The next prime is 622792957. The reversal of 622792945 is 549297226.

It is not a de Polignac number, because 622792945 - 2²¹ = 620695793 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 622792895 and 622792904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2216205 + ... + 2216485.

It is an arithmetic number, because the mean of its divisors is an integer number (24635520).

Almost surely, 2^622792945 is an apocalyptic number.

It is an amenable number.

622792945 is a deficient number, since it is larger than the sum of its proper divisors (165543695).

622792945 is a wasteful number, since it uses less digits than its factorization.

622792945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577.

The product of its digits is 544320, while the sum is 46.

The square root of 622792945 is about 24955.8198623087. The cubic root of 622792945 is about 853.9803834525.

The spelling of 622792945 in words is "six hundred twenty-two million, seven hundred ninety-two thousand, nine hundred forty-five".