622680660 has 72 divisors (see below), whose sum is σ = 2158630656. Its totient is φ = 142326720.

The previous prime is 622680649. The next prime is 622680713. The reversal of 622680660 is 66086226.

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

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, 245836 + ... + 248355.

Almost surely, 2^622680660 is an apocalyptic number.

622680660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622680660 is an abundant number, since it is smaller than the sum of its proper divisors (1535949996).

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

622680660 is a wasteful number, since it uses less digits than its factorization.

622680660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494213 (or 494208 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 622680660 is about 24953.5700852603. The cubic root of 622680660 is about 853.9290582347.

The spelling of 622680660 in words is "six hundred twenty-two million, six hundred eighty thousand, six hundred sixty".