622779084 has 24 divisors (see below), whose sum is σ = 1614612720. Its totient is φ = 207592992.

The previous prime is 622779049. The next prime is 622779167. The reversal of 622779084 is 480977226.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883129 + ... + 2883344.

It is an arithmetic number, because the mean of its divisors is an integer number (67275530).

Almost surely, 2^622779084 is an apocalyptic number.

It is an amenable number.

622779084 is an abundant number, since it is smaller than the sum of its proper divisors (991833636).

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

622779084 is a wasteful number, since it uses less digits than its factorization.

622779084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766486 (or 5766478 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 622779084 is about 24955.5421499915. The cubic root of 622779084 is about 853.9740479547.

The spelling of 622779084 in words is "six hundred twenty-two million, seven hundred seventy-nine thousand, eighty-four".