22002021122 has 32 divisors (see below), whose sum is σ = 35126058240. Its totient is φ = 10312885440.

The previous prime is 22002021113. The next prime is 22002021143. The reversal of 22002021122 is 22112020022.

It is a junction number, because it is equal to n+sod(n) for n = 22002021097 and 22002021106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2484779 + ... + 2493617.

It is an arithmetic number, because the mean of its divisors is an integer number (1097689320).

Almost surely, 2^22002021122 is an apocalyptic number.

22002021122 is a deficient number, since it is larger than the sum of its proper divisors (13124037118).

22002021122 is a wasteful number, since it uses less digits than its factorization.

22002021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9938.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22002021122 its reverse (22112020022), we get a palindrome (44114041144).

It can be divided in two parts, 220020 and 21122, that added together give a palindrome (241142).

The spelling of 22002021122 in words is "twenty-two billion, two million, twenty-one thousand, one hundred twenty-two".