222201122021202 has 16 divisors (see below), whose sum is σ = 444448773551232. Its totient is φ = 74059285755600.

The previous prime is 222201122021201. The next prime is 222201122021209. The reversal of 222201122021202 is 202120221102222.

It is a super-2 number, since 2×222201122021202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222201122021201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938667453 + ... + 1938782064.

It is an arithmetic number, because the mean of its divisors is an integer number (27778048346952).

Almost surely, 2^{222201122021202} is an apocalyptic number.

222201122021202 is an abundant number, since it is smaller than the sum of its proper divisors (222247651530030).

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

222201122021202 is a wasteful number, since it uses less digits than its factorization.

222201122021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877459073.

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

Adding to 222201122021202 its reverse (202120221102222), we get a palindrome (424321343123424).

The spelling of 222201122021202 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-two million, twenty-one thousand, two hundred two".