622233556 has 60 divisors (see below), whose sum is σ = 1290611168. Its totient is φ = 262419696.

The previous prime is 622233511. The next prime is 622233617. The reversal of 622233556 is 655332226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 642985 + ... + 643951.

Almost surely, 2^622233556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622233556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645305584).

622233556 is an abundant number, since it is smaller than the sum of its proper divisors (668377612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622233556 is an equidigital number, since it uses as much as digits as its factorization.

622233556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1043 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 622233556 is about 24944.6097584228. The cubic root of 622233556 is about 853.7246267934.

The spelling of 622233556 in words is "six hundred twenty-two million, two hundred thirty-three thousand, five hundred fifty-six".