22222110009 has 32 divisors (see below), whose sum is σ = 32611590144. Its totient is φ = 13348206080.

The previous prime is 22222109989. The next prime is 22222110011. The reversal of 22222110009 is 90001122222.

It is a happy number.

It is not a de Polignac number, because 22222110009 - 2⁵ = 22222109977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22222110409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1939672 + ... + 1951094.

It is an arithmetic number, because the mean of its divisors is an integer number (1019112192).

Almost surely, 2^22222110009 is an apocalyptic number.

It is an amenable number.

22222110009 is a deficient number, since it is larger than the sum of its proper divisors (10389480135).

22222110009 is a wasteful number, since it uses less digits than its factorization.

22222110009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11957.

The product of its (nonzero) digits is 288, while the sum is 21.

It can be divided in two parts, 22222 and 110009, that added together give a palindrome (132231).

The spelling of 22222110009 in words is "twenty-two billion, two hundred twenty-two million, one hundred ten thousand, nine".