622023831 has 48 divisors (see below), whose sum is σ = 1058908032. Its totient is φ = 346881600.

The previous prime is 622023821. The next prime is 622023839. The reversal of 622023831 is 138320226.

622023831 is a `hidden beast` number, since 622 + 0 + 2 + 3 + 8 + 31 = 666.

It is not a de Polignac number, because 622023831 - 2²⁹ = 85152919 is a prime.

It is a super-2 number, since 2×622023831² = 773827292663833122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 622023795 and 622023804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622023839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569596 + ... + 570686.

It is an arithmetic number, because the mean of its divisors is an integer number (22060584).

Almost surely, 2^622023831 is an apocalyptic number.

622023831 is a deficient number, since it is larger than the sum of its proper divisors (436884201).

622023831 is a wasteful number, since it uses less digits than its factorization.

622023831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 622023831 is about 24940.4055901262. The cubic root of 622023831 is about 853.6286995136.

The spelling of 622023831 in words is "six hundred twenty-two million, twenty-three thousand, eight hundred thirty-one".