22232121002 has 16 divisors (see below), whose sum is σ = 41043916032. Its totient is φ = 8795124720.

The previous prime is 22232120959. The next prime is 22232121007. The reversal of 22232121002 is 20012123222.

It is not an unprimeable number, because it can be changed into a prime (22232121007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61077074 + ... + 61077437.

It is an arithmetic number, because the mean of its divisors is an integer number (2565244752).

Almost surely, 2^22232121002 is an apocalyptic number.

22232121002 is a deficient number, since it is larger than the sum of its proper divisors (18811795030).

22232121002 is a wasteful number, since it uses less digits than its factorization.

22232121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122154533.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22232121002 its reverse (20012123222), we get a palindrome (42244244224).

The spelling of 22232121002 in words is "twenty-two billion, two hundred thirty-two million, one hundred twenty-one thousand, two".