622945536 has 36 divisors (see below), whose sum is σ = 1657945632. Its totient is φ = 207648256.

The previous prime is 622945529. The next prime is 622945559. The reversal of 622945536 is 635549226.

It is a happy number.

It is a super-2 number, since 2×622945536² = 776122281644654592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404796 + ... + 406331.

Almost surely, 2^622945536 is an apocalyptic number.

It is an amenable number.

622945536 is an abundant number, since it is smaller than the sum of its proper divisors (1035000096).

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

622945536 is an equidigital number, since it uses as much as digits as its factorization.

622945536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811146 (or 811132 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The square root of 622945536 is about 24958.8768978093. The cubic root of 622945536 is about 854.0501225639.

The spelling of 622945536 in words is "six hundred twenty-two million, nine hundred forty-five thousand, five hundred thirty-six".