22221002002222 has 16 divisors (see below), whose sum is σ = 33426618261840. Its totient is φ = 11078837497728.

The previous prime is 22221002002219. The next prime is 22221002002261. The reversal of 22221002002222 is 22220020012222.

It is a self number, because there is not a number n which added to its sum of digits gives 22221002002222.

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, 9326097 + ... + 11463772.

It is an arithmetic number, because the mean of its divisors is an integer number (2089163641365).

Almost surely, 2^{22221002002222} is an apocalyptic number.

22221002002222 is a deficient number, since it is larger than the sum of its proper divisors (11205616259618).

22221002002222 is a wasteful number, since it uses less digits than its factorization.

22221002002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20791395.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22221002002222 its reverse (22220020012222), we get a palindrome (44441022014444).

The spelling of 22221002002222 in words is "twenty-two trillion, two hundred twenty-one billion, two million, two thousand, two hundred twenty-two".