220457622 has 64 divisors (see below), whose sum is σ = 573640704. Its totient is φ = 54769440.

The previous prime is 220457609. The next prime is 220457639. The reversal of 220457622 is 226754022.

It is a self number, because there is not a number n which added to its sum of digits gives 220457622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253 + ... + 20999.

It is an arithmetic number, because the mean of its divisors is an integer number (8963136).

Almost surely, 2^220457622 is an apocalyptic number.

220457622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 220457622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286820352).

220457622 is an abundant number, since it is smaller than the sum of its proper divisors (353183082).

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

220457622 is a wasteful number, since it uses less digits than its factorization.

220457622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20793.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 220457622 is about 14847.8153948653. The cubic root of 220457622 is about 604.0993561244.

The spelling of 220457622 in words is "two hundred twenty million, four hundred fifty-seven thousand, six hundred twenty-two".