622900980 has 216 divisors, whose sum is σ = 2110156776. Its totient is φ = 147847680.

The previous prime is 622900931. The next prime is 622900981. The reversal of 622900980 is 89009226.

It can be written as a sum of positive squares in 4 ways, for example, as 1695204 + 621205776 = 1302^2 + 24924^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622900981) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2248602 + ... + 2248878.

Almost surely, 2^622900980 is an apocalyptic number.

622900980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622900980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055078388).

622900980 is an abundant number, since it is smaller than the sum of its proper divisors (1487255796).

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

622900980 is a wasteful number, since it uses less digits than its factorization.

622900980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 622900980 is about 24957.9842936083. The cubic root of 622900980 is about 854.0297601821.

The spelling of 622900980 in words is "six hundred twenty-two million, nine hundred thousand, nine hundred eighty".