622399790 has 16 divisors (see below), whose sum is σ = 1121094000. Its totient is φ = 248787840.

The previous prime is 622399751. The next prime is 622399793. The reversal of 622399790 is 97993226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622399793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5771 + ... + 35750.

It is an arithmetic number, because the mean of its divisors is an integer number (70068375).

Almost surely, 2^622399790 is an apocalyptic number.

622399790 is a deficient number, since it is larger than the sum of its proper divisors (498694210).

622399790 is a wasteful number, since it uses less digits than its factorization.

622399790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43027.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 622399790 is about 24947.9415984566. The cubic root of 622399790 is about 853.8006461712.

The spelling of 622399790 in words is "six hundred twenty-two million, three hundred ninety-nine thousand, seven hundred ninety".