222202201211220 has 96 divisors (see below), whose sum is σ = 632720568291840. Its totient is φ = 58248768161920.

The previous prime is 222202201211167. The next prime is 222202201211227. The reversal of 222202201211220 is 22112102202222.

It is a super-2 number, since 2×222202201211220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202201211227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264269599 + ... + 265109081.

It is an arithmetic number, because the mean of its divisors is an integer number (6590839253040).

Almost surely, 2^{222202201211220} is an apocalyptic number.

222202201211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222202201211220 is an abundant number, since it is smaller than the sum of its proper divisors (410518367080620).

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

222202201211220 is a wasteful number, since it uses less digits than its factorization.

222202201211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914325 (or 914323 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222202201211220 its reverse (22112102202222), we get a palindrome (244314303413442).

The spelling of 222202201211220 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred one million, two hundred eleven thousand, two hundred twenty".