22100222022 has 16 divisors (see below), whose sum is σ = 44204298480. Its totient is φ = 7366098272.

The previous prime is 22100222021. The next prime is 22100222093. The reversal of 22100222022 is 22022200122.

It is a junction number, because it is equal to n+sod(n) for n = 22100221992 and 22100222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100222021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83193 + ... + 226100.

It is an arithmetic number, because the mean of its divisors is an integer number (2762768655).

Almost surely, 2^22100222022 is an apocalyptic number.

22100222022 is an abundant number, since it is smaller than the sum of its proper divisors (22104076458).

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

22100222022 is a wasteful number, since it uses less digits than its factorization.

22100222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321207.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22100222022 its reverse (22022200122), we get a palindrome (44122422144).

The spelling of 22100222022 in words is "twenty-two billion, one hundred million, two hundred twenty-two thousand, twenty-two".