622238493 has 16 divisors (see below), whose sum is σ = 837881856. Its totient is φ = 410730480.

The previous prime is 622238443. The next prime is 622238521. The reversal of 622238493 is 394832226.

622238493 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 622238493 - 2¹² = 622234397 is a prime.

It is a super-2 number, since 2×622238493² = 774361484341822098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622238443) 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, 133480 + ... + 138062.

It is an arithmetic number, because the mean of its divisors is an integer number (52367616).

Almost surely, 2^622238493 is an apocalyptic number.

It is an amenable number.

622238493 is a deficient number, since it is larger than the sum of its proper divisors (215643363).

622238493 is a wasteful number, since it uses less digits than its factorization.

622238493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024.

The product of its digits is 124416, while the sum is 39.

The square root of 622238493 is about 24944.7087174815. The cubic root of 622238493 is about 853.7268846955.

The spelling of 622238493 in words is "six hundred twenty-two million, two hundred thirty-eight thousand, four hundred ninety-three".