13222265255850 has 96 divisors (see below), whose sum is σ = 37488533544576. Its totient is φ = 3021195283200.

The previous prime is 13222265255813. The next prime is 13222265255869. The reversal of 13222265255850 is 5855256222231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13222265255850.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 904360 + ... + 5221340.

It is an arithmetic number, because the mean of its divisors is an integer number (390505557756).

Almost surely, 2^{13222265255850} is an apocalyptic number.

13222265255850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222265255850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18744266772288).

13222265255850 is an abundant number, since it is smaller than the sum of its proper divisors (24266268288726).

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

13222265255850 is a wasteful number, since it uses less digits than its factorization.

13222265255850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319920 (or 4319915 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 13222265255850 in words is "thirteen trillion, two hundred twenty-two billion, two hundred sixty-five million, two hundred fifty-five thousand, eight hundred fifty".