622969398 has 24 divisors (see below), whose sum is σ = 1408453488. Its totient is φ = 198627792.

The previous prime is 622969381. The next prime is 622969411. The reversal of 622969398 is 893969226.

622969398 is a `hidden beast` number, since 622 + 9 + 6 + 9 + 3 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 751965 + ... + 752792.

It is an arithmetic number, because the mean of its divisors is an integer number (58685562).

Almost surely, 2^622969398 is an apocalyptic number.

622969398 is an abundant number, since it is smaller than the sum of its proper divisors (785484090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622969398 is a wasteful number, since it uses less digits than its factorization.

622969398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504788 (or 1504785 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 622969398 is about 24959.3549195487. The cubic root of 622969398 is about 854.0610272539.

The spelling of 622969398 in words is "six hundred twenty-two million, nine hundred sixty-nine thousand, three hundred ninety-eight".