622245888 has 360 divisors, whose sum is σ = 2108826720. Its totient is φ = 182476800.

The previous prime is 622245863. The next prime is 622245893. The reversal of 622245888 is 888542226.

622245888 is a `hidden beast` number, since 62 + 2 + 2 + 4 + 588 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 20072433 + ... + 20072463.

It is an arithmetic number, because the mean of its divisors is an integer number (5857852).

Almost surely, 2^622245888 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 622245888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054413360).

622245888 is an abundant number, since it is smaller than the sum of its proper divisors (1486580832).

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

622245888 is a wasteful number, since it uses less digits than its factorization.

622245888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 47 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 622245888 is about 24944.8569448694. The cubic root of 622245888 is about 853.7302667242.

The spelling of 622245888 in words is "six hundred twenty-two million, two hundred forty-five thousand, eight hundred eighty-eight".