622222839 has 12 divisors (see below), whose sum is σ = 1027161616. Its totient is φ = 355555872.

The previous prime is 622222829. The next prime is 622222859. The reversal of 622222839 is 938222226.

622222839 is a `hidden beast` number, since 622 + 2 + 2 + 28 + 3 + 9 = 666.

It is not a de Polignac number, because 622222839 - 2⁵ = 622222807 is a prime.

It is a super-2 number, since 2×622222839² = 774322522746439842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622222819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4938214 + ... + 4938339.

Almost surely, 2^622222839 is an apocalyptic number.

622222839 is a deficient number, since it is larger than the sum of its proper divisors (404938777).

622222839 is a wasteful number, since it uses less digits than its factorization.

622222839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876566 (or 9876563 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 622222839 is about 24944.3949415495. The cubic root of 622222839 is about 853.7197254080.

The spelling of 622222839 in words is "six hundred twenty-two million, two hundred twenty-two thousand, eight hundred thirty-nine".