622701990 has 48 divisors (see below), whose sum is σ = 1630875168. Its totient is φ = 164838528.

The previous prime is 622701979. The next prime is 622702009. The reversal of 622701990 is 99107226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12922 + ... + 37581.

It is an arithmetic number, because the mean of its divisors is an integer number (33976566).

Almost surely, 2^622701990 is an apocalyptic number.

622701990 is an abundant number, since it is smaller than the sum of its proper divisors (1008173178).

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

622701990 is a wasteful number, since it uses less digits than its factorization.

622701990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50653 (or 50650 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 622701990 is about 24953.9974753545. The cubic root of 622701990 is about 853.9388086038.

The spelling of 622701990 in words is "six hundred twenty-two million, seven hundred one thousand, nine hundred ninety".