621884223 has 40 divisors (see below), whose sum is σ = 946593648. Its totient is φ = 406809216.

The previous prime is 621884201. The next prime is 621884267. The reversal of 621884223 is 322488126.

621884223 is a `hidden beast` number, since 621 + 8 + 8 + 4 + 2 + 23 = 666.

621884223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 621884223 - 2⁹ = 621883711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621880223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1566261 + ... + 1566657.

Almost surely, 2^621884223 is an apocalyptic number.

621884223 is a deficient number, since it is larger than the sum of its proper divisors (324709425).

621884223 is a wasteful number, since it uses less digits than its factorization.

621884223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 716 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 621884223 is about 24937.6066012759. The cubic root of 621884223 is about 853.5648314824.

The spelling of 621884223 in words is "six hundred twenty-one million, eight hundred eighty-four thousand, two hundred twenty-three".