13222708220 has 12 divisors (see below), whose sum is σ = 27767687304. Its totient is φ = 5289083280.

The previous prime is 13222708201. The next prime is 13222708223. The reversal of 13222708220 is 2280722231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222708223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330567686 + ... + 330567725.

It is an arithmetic number, because the mean of its divisors is an integer number (2313973942).

Almost surely, 2^13222708220 is an apocalyptic number.

13222708220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222708220 is an abundant number, since it is smaller than the sum of its proper divisors (14544979084).

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

13222708220 is a wasteful number, since it uses less digits than its factorization.

13222708220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661135420 (or 661135418 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 13222708220 in words is "thirteen billion, two hundred twenty-two million, seven hundred eight thousand, two hundred twenty".