22102222221023 has 32 divisors (see below), whose sum is σ = 25534794700800. Its totient is φ = 18739479358944.

The previous prime is 22102222221019. The next prime is 22102222221031. The reversal of 22102222221023 is 32012222220122.

It is a cyclic number.

It is not a de Polignac number, because 22102222221023 - 2² = 22102222221019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22102222221023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102222221323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794258636 + ... + 794286462.

It is an arithmetic number, because the mean of its divisors is an integer number (797962334400).

Almost surely, 2^{22102222221023} is an apocalyptic number.

22102222221023 is a deficient number, since it is larger than the sum of its proper divisors (3432572479777).

22102222221023 is a wasteful number, since it uses less digits than its factorization.

22102222221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30939.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22102222221023 its reverse (32012222220122), we get a palindrome (54114444441145).

Subtracting 22102222221023 from its reverse (32012222220122), we obtain a palindrome (9909999999099).

The spelling of 22102222221023 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-two million, two hundred twenty-one thousand, twenty-three".