622682988 has 48 divisors (see below), whose sum is σ = 1504548864. Its totient is φ = 200229120.

The previous prime is 622682971. The next prime is 622682989. The reversal of 622682988 is 889286226.

622682988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 622682988.

It is not an unprimeable number, because it can be changed into a prime (622682989) 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, 122881 + ... + 127847.

It is an arithmetic number, because the mean of its divisors is an integer number (31344768).

Almost surely, 2^622682988 is an apocalyptic number.

It is an amenable number.

622682988 is an abundant number, since it is smaller than the sum of its proper divisors (881865876).

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

622682988 is a wasteful number, since it uses less digits than its factorization.

622682988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342 (or 5340 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 622682988 is about 24953.6167318487. The cubic root of 622682988 is about 853.9301224208.

It can be divided in two parts, 62268 and 2988, that added together give a palindrome (65256).

The spelling of 622682988 in words is "six hundred twenty-two million, six hundred eighty-two thousand, nine hundred eighty-eight".