22012100022 has 24 divisors (see below), whose sum is σ = 48390238008. Its totient is φ = 6670333120.

The previous prime is 22012099997. The next prime is 22012100023. The reversal of 22012100022 is 22000121022.

It is a junction number, because it is equal to n+sod(n) for n = 22012099980 and 22012100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012100023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15159123 + ... + 15160574.

It is an arithmetic number, because the mean of its divisors is an integer number (2016259917).

Almost surely, 2^22012100022 is an apocalyptic number.

22012100022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22012100022 is an abundant number, since it is smaller than the sum of its proper divisors (26378137986).

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

22012100022 is a wasteful number, since it uses less digits than its factorization.

22012100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30319724 (or 30319713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22012100022 its reverse (22000121022), we get a palindrome (44012221044).

It can be divided in two parts, 220121000 and 22, that added together give a palindrome (220121022).

The spelling of 22012100022 in words is "twenty-two billion, twelve million, one hundred thousand, twenty-two".