621882231 has 16 divisors (see below), whose sum is σ = 855017856. Its totient is φ = 401856416.

The previous prime is 621882203. The next prime is 621882259. The reversal of 621882231 is 132288126.

621882231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (621882203) and next prime (621882259).

It is a cyclic number.

It is not a de Polignac number, because 621882231 - 2⁶ = 621882167 is a prime.

It is a super-2 number, since 2×621882231² = 773475018467074722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 621882192 and 621882201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621882271) 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, 10365 + ... + 36758.

It is an arithmetic number, because the mean of its divisors is an integer number (53438616).

Almost surely, 2^621882231 is an apocalyptic number.

621882231 is a deficient number, since it is larger than the sum of its proper divisors (233135625).

621882231 is a wasteful number, since it uses less digits than its factorization.

621882231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47262.

The product of its digits is 9216, while the sum is 33.

The square root of 621882231 is about 24937.5666615650. The cubic root of 621882231 is about 853.5639201108.

The spelling of 621882231 in words is "six hundred twenty-one million, eight hundred eighty-two thousand, two hundred thirty-one".