622992220 has 24 divisors (see below), whose sum is σ = 1326208464. Its totient is φ = 245782656.

The previous prime is 622992211. The next prime is 622992221. The reversal of 622992220 is 22299226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622992221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211894 + ... + 214813.

It is an arithmetic number, because the mean of its divisors is an integer number (55258686).

Almost surely, 2^622992220 is an apocalyptic number.

It is an amenable number.

622992220 is an abundant number, since it is smaller than the sum of its proper divisors (703216244).

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

622992220 is a wasteful number, since it uses less digits than its factorization.

622992220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426789 (or 426787 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 622992220 is about 24959.8120986517. The cubic root of 622992220 is about 854.0714564140.

The spelling of 622992220 in words is "six hundred twenty-two million, nine hundred ninety-two thousand, two hundred twenty".