622606831 has 12 divisors (see below), whose sum is σ = 782118736. Its totient is φ = 485147520.

The previous prime is 622606799. The next prime is 622606837. The reversal of 622606831 is 138606226.

It is a happy number.

It is not a de Polignac number, because 622606831 - 2⁵ = 622606799 is a prime.

It is a super-2 number, since 2×622606831² = 775278532015725122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622606837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366690 + ... + 368383.

Almost surely, 2^622606831 is an apocalyptic number.

622606831 is a deficient number, since it is larger than the sum of its proper divisors (159511905).

622606831 is a wasteful number, since it uses less digits than its factorization.

622606831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735102 (or 735091 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 622606831 is about 24952.0907140063. The cubic root of 622606831 is about 853.8953078046.

The spelling of 622606831 in words is "six hundred twenty-two million, six hundred six thousand, eight hundred thirty-one".