222201222211220 has 24 divisors (see below), whose sum is σ = 533282933307264. Its totient is φ = 76183276186656.

The previous prime is 222201222211187. The next prime is 222201222211237. The reversal of 222201222211220 is 22112222102222.

It is a super-3 number, since 3×222201222211220³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793575793472 + ... + 793575793751.

It is an arithmetic number, because the mean of its divisors is an integer number (22220122221136).

Almost surely, 2^{222201222211220} is an apocalyptic number.

222201222211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201222211220 is an abundant number, since it is smaller than the sum of its proper divisors (311081711096044).

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

222201222211220 is a wasteful number, since it uses less digits than its factorization.

222201222211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587151587239 (or 1587151587237 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222201222211220 its reverse (22112222102222), we get a palindrome (244313444313442).

The spelling of 222201222211220 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twenty".