622824990 has 32 divisors (see below), whose sum is σ = 1495825920. Its totient is φ = 165970464.

The previous prime is 622824989. The next prime is 622824991. The reversal of 622824990 is 99428226.

It is an interprime number because it is at equal distance from previous prime (622824989) and next prime (622824991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622824991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41751 + ... + 54669.

It is an arithmetic number, because the mean of its divisors is an integer number (46744560).

Almost surely, 2^622824990 is an apocalyptic number.

622824990 is an abundant number, since it is smaller than the sum of its proper divisors (873000930).

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

622824990 is a wasteful number, since it uses less digits than its factorization.

622824990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14536.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 622824990 is about 24956.4618886572. The cubic root of 622824990 is about 853.9950300175.

The spelling of 622824990 in words is "six hundred twenty-two million, eight hundred twenty-four thousand, nine hundred ninety".