621922332 has 24 divisors (see below), whose sum is σ = 1471032976. Its totient is φ = 204467328.

The previous prime is 621922319. The next prime is 621922333. The reversal of 621922332 is 233229126.

It is a self number, because there is not a number n which added to its sum of digits gives 621922332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621922333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354103 + ... + 355854.

Almost surely, 2^621922332 is an apocalyptic number.

It is an amenable number.

621922332 is an abundant number, since it is smaller than the sum of its proper divisors (849110644).

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

621922332 is a wasteful number, since it uses less digits than its factorization.

621922332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710037 (or 710035 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 621922332 is about 24938.3706765298. The cubic root of 621922332 is about 853.5822665807.

The spelling of 621922332 in words is "six hundred twenty-one million, nine hundred twenty-two thousand, three hundred thirty-two".