22221321122 has 96 divisors (see below), whose sum is σ = 46194164352. Its totient is φ = 7796448000.

The previous prime is 22221321119. The next prime is 22221321151. The reversal of 22221321122 is 22112312222.

It is a super-2 number, since 2×22221321122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22221321094 and 22221321103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 890597 + ... + 915207.

It is an arithmetic number, because the mean of its divisors is an integer number (481189212).

Almost surely, 2^22221321122 is an apocalyptic number.

22221321122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221321122 is an abundant number, since it is smaller than the sum of its proper divisors (23972843230).

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

22221321122 is a wasteful number, since it uses less digits than its factorization.

22221321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696 (or 24685 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

Adding to 22221321122 its reverse (22112312222), we get a palindrome (44333633344).

It can be divided in two parts, 22221 and 321122, that added together give a palindrome (343343).

The spelling of 22221321122 in words is "twenty-two billion, two hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-two".