2202221211220 has 12 divisors (see below), whose sum is σ = 4624664543604. Its totient is φ = 880888484480.

The previous prime is 2202221211181. The next prime is 2202221211371. The reversal of 2202221211220 is 221121222022.

It can be written as a sum of positive squares in 2 ways, for example, as 1218149275204 + 984071936016 = 1103698^2 + 992004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055530261 + ... + 55055530300.

It is an arithmetic number, because the mean of its divisors is an integer number (385388711967).

Almost surely, 2^{2202221211220} is an apocalyptic number.

2202221211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202221211220 is an abundant number, since it is smaller than the sum of its proper divisors (2422443332384).

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

2202221211220 is a wasteful number, since it uses less digits than its factorization.

2202221211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110111060570 (or 110111060568 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2202221211220 its reverse (221121222022), we get a palindrome (2423342433242).

The spelling of 2202221211220 in words is "two trillion, two hundred two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty".