22120110222 has 32 divisors (see below), whose sum is σ = 50585990400. Its totient is φ = 6316814208.

The previous prime is 22120110211. The next prime is 22120110223. The reversal of 22120110222 is 22201102122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120110223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49947 + ... + 216182.

It is an arithmetic number, because the mean of its divisors is an integer number (1580812200).

Almost surely, 2^22120110222 is an apocalyptic number.

22120110222 is an abundant number, since it is smaller than the sum of its proper divisors (28465880178).

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

22120110222 is a wasteful number, since it uses less digits than its factorization.

22120110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268120.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22120110222 its reverse (22201102122), we get a palindrome (44321212344).

The spelling of 22120110222 in words is "twenty-two billion, one hundred twenty million, one hundred ten thousand, two hundred twenty-two".