621223214324 has 12 divisors (see below), whose sum is σ = 1099355688900. Its totient is φ = 307121588928.

The previous prime is 621223214309. The next prime is 621223214393. The reversal of 621223214324 is 423412322126.

It can be written as a sum of positive squares in 2 ways, for example, as 360398510224 + 260824704100 = 600332^2 + 510710^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872504159 + ... + 872504870.

It is an arithmetic number, because the mean of its divisors is an integer number (91612974075).

Almost surely, 2^621223214324 is an apocalyptic number.

It is an amenable number.

621223214324 is a deficient number, since it is larger than the sum of its proper divisors (478132474576).

621223214324 is a wasteful number, since it uses less digits than its factorization.

621223214324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745009122 (or 1745009120 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The spelling of 621223214324 in words is "six hundred twenty-one billion, two hundred twenty-three million, two hundred fourteen thousand, three hundred twenty-four".