622226928 has 120 divisors (see below), whose sum is σ = 1752356592. Its totient is φ = 189591552.

The previous prime is 622226903. The next prime is 622226939. The reversal of 622226928 is 829622226.

622226928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1116826 + ... + 1117382.

Almost surely, 2^622226928 is an apocalyptic number.

622226928 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622226928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876178296).

622226928 is an abundant number, since it is smaller than the sum of its proper divisors (1130129664).

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

622226928 is a wasteful number, since it uses less digits than its factorization.

622226928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 616 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 622226928 is about 24944.4769037156. The cubic root of 622226928 is about 853.7215955056.

The spelling of 622226928 in words is "six hundred twenty-two million, two hundred twenty-six thousand, nine hundred twenty-eight".