622864896 has 160 divisors (see below), whose sum is σ = 1743126528. Its totient is φ = 197406720.

The previous prime is 622864889. The next prime is 622864901. The reversal of 622864896 is 698468226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4904385 + ... + 4904511.

Almost surely, 2^622864896 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 622864896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871563264).

622864896 is an abundant number, since it is smaller than the sum of its proper divisors (1120261632).

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

622864896 is a wasteful number, since it uses less digits than its factorization.

622864896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 266 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 622864896 is about 24957.2613882213. The cubic root of 622864896 is about 854.0132688478.

The spelling of 622864896 in words is "six hundred twenty-two million, eight hundred sixty-four thousand, eight hundred ninety-six".