622908325 has 12 divisors (see below), whose sum is σ = 831822628. Its totient is φ = 459993600.

The previous prime is 622908317. The next prime is 622908359. The reversal of 622908325 is 523809226.

It can be written as a sum of positive squares in 6 ways, for example, as 49928356 + 572979969 = 7066^2 + 23937^2 .

It is not a de Polignac number, because 622908325 - 2³ = 622908317 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 957996 + ... + 958645.

Almost surely, 2^622908325 is an apocalyptic number.

622908325 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

622908325 is a deficient number, since it is larger than the sum of its proper divisors (208914303).

622908325 is a wasteful number, since it uses less digits than its factorization.

622908325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916664 (or 1916659 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 622908325 is about 24958.1314404745. The cubic root of 622908325 is about 854.0331169617.

Subtracting from 622908325 its reverse (523809226), we obtain a palindrome (99099099).

The spelling of 622908325 in words is "six hundred twenty-two million, nine hundred eight thousand, three hundred twenty-five".