622255220 has 24 divisors (see below), whose sum is σ = 1308986784. Its totient is φ = 248473376.

The previous prime is 622255217. The next prime is 622255229. The reversal of 622255220 is 22552226.

622255220 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 622255220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622255229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14762 + ... + 38241.

It is an arithmetic number, because the mean of its divisors is an integer number (54541116).

Almost surely, 2^622255220 is an apocalyptic number.

It is an amenable number.

622255220 is an abundant number, since it is smaller than the sum of its proper divisors (686731564).

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

622255220 is a wasteful number, since it uses less digits than its factorization.

622255220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53599 (or 53597 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 622255220 is about 24945.0439967541. The cubic root of 622255220 is about 853.7345345821.

The spelling of 622255220 in words is "six hundred twenty-two million, two hundred fifty-five thousand, two hundred twenty".