22201000022222 has 16 divisors (see below), whose sum is σ = 38058924304512. Its totient is φ = 9514697514360.

The previous prime is 22201000022207. The next prime is 22201000022251. The reversal of 22201000022222 is 22222000010222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201000022222.

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, 10061393 + ... + 12067875.

It is an arithmetic number, because the mean of its divisors is an integer number (2378682769032).

Almost surely, 2^{22201000022222} is an apocalyptic number.

22201000022222 is a deficient number, since it is larger than the sum of its proper divisors (15857924282290).

22201000022222 is a wasteful number, since it uses less digits than its factorization.

22201000022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796823.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22201000022222 its reverse (22222000010222), we get a palindrome (44423000032444).

The spelling of 22201000022222 in words is "twenty-two trillion, two hundred one billion, twenty-two thousand, two hundred twenty-two".