222221011202222 has 16 divisors (see below), whose sum is σ = 353315922563520. Its totient is φ = 104462987735808.

The previous prime is 222221011202221. The next prime is 222221011202261. The reversal of 222221011202222 is 222202110122222.

It is a super-2 number, since 2×222221011202222² (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 (222221011202221) 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, 3487648022 + ... + 3487711737.

It is an arithmetic number, because the mean of its divisors is an integer number (22082245160220).

Almost surely, 2^{222221011202222} is an apocalyptic number.

222221011202222 is a deficient number, since it is larger than the sum of its proper divisors (131094911361298).

222221011202222 is a wasteful number, since it uses less digits than its factorization.

222221011202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975360715.

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

Adding to 222221011202222 its reverse (222202110122222), we get a palindrome (444423121324444).

The spelling of 222221011202222 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, eleven million, two hundred two thousand, two hundred twenty-two".