622040944 has 80 divisors (see below), whose sum is σ = 1405465600. Its totient is φ = 261211392.

The previous prime is 622040941. The next prime is 622040959. The reversal of 622040944 is 449040226.

It is a super-2 number, since 2×622040944² = 773869872024822272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622040941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2026039 + ... + 2026345.

It is an arithmetic number, because the mean of its divisors is an integer number (17568320).

Almost surely, 2^622040944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622040944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702732800).

622040944 is an abundant number, since it is smaller than the sum of its proper divisors (783424656).

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

622040944 is a wasteful number, since it uses less digits than its factorization.

622040944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 622040944 is about 24940.7486655874. The cubic root of 622040944 is about 853.6365277314.

The spelling of 622040944 in words is "six hundred twenty-two million, forty thousand, nine hundred forty-four".