622453321 has 12 divisors (see below), whose sum is σ = 724498500. Its totient is φ = 533221920.

The previous prime is 622453291. The next prime is 622453327. The reversal of 622453321 is 123354226.

It can be written as a sum of positive squares in 2 ways, for example, as 145467721 + 476985600 = 12061^2 + 21840^2 .

It is not a de Polignac number, because 622453321 - 2⁷ = 622453193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622453321.

It is not an unprimeable number, because it can be changed into a prime (622453327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132391 + ... + 137011.

It is an arithmetic number, because the mean of its divisors is an integer number (60374875).

Almost surely, 2^622453321 is an apocalyptic number.

It is an amenable number.

622453321 is a deficient number, since it is larger than the sum of its proper divisors (102045179).

622453321 is a wasteful number, since it uses less digits than its factorization.

622453321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384 (or 7377 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 622453321 is about 24949.0144294319. The cubic root of 622453321 is about 853.8251231997.

The spelling of 622453321 in words is "six hundred twenty-two million, four hundred fifty-three thousand, three hundred twenty-one".