622746439828 has 24 divisors (see below), whose sum is σ = 1149261764000. Its totient is φ = 294445857888.

The previous prime is 622746439811. The next prime is 622746439867. The reversal of 622746439828 is 828934647226.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7448403 + ... + 7531546.

Almost surely, 2^622746439828 is an apocalyptic number.

It is an amenable number.

622746439828 is a deficient number, since it is larger than the sum of its proper divisors (526515324172).

622746439828 is a wasteful number, since it uses less digits than its factorization.

622746439828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14980519 (or 14980517 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 61.

The spelling of 622746439828 in words is "six hundred twenty-two billion, seven hundred forty-six million, four hundred thirty-nine thousand, eight hundred twenty-eight".