22211323122 has 16 divisors (see below), whose sum is σ = 44424405792. Its totient is φ = 7403481120.

The previous prime is 22211323117. The next prime is 22211323129. The reversal of 22211323122 is 22132311222.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22211323129) 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, 137358 + ... + 251574.

It is an arithmetic number, because the mean of its divisors is an integer number (2776525362).

Almost surely, 2^22211323122 is an apocalyptic number.

22211323122 is an abundant number, since it is smaller than the sum of its proper divisors (22213082670).

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

22211323122 is a wasteful number, since it uses less digits than its factorization.

22211323122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146633.

The product of its digits is 576, while the sum is 21.

Adding to 22211323122 its reverse (22132311222), we get a palindrome (44343634344).

The spelling of 22211323122 in words is "twenty-two billion, two hundred eleven million, three hundred twenty-three thousand, one hundred twenty-two".