22144444122 has 32 divisors (see below), whose sum is σ = 44805616704. Its totient is φ = 7295616000.

The previous prime is 22144444111. The next prime is 22144444123.

22144444122 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22144444122.

It is not an unprimeable number, because it can be changed into a prime (22144444123) 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, 317997 + ... + 381327.

It is an arithmetic number, because the mean of its divisors is an integer number (1400175522).

Almost surely, 2^22144444122 is an apocalyptic number.

22144444122 is an abundant number, since it is smaller than the sum of its proper divisors (22661172582).

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

22144444122 is a wasteful number, since it uses less digits than its factorization.

22144444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64014.

The product of its digits is 16384, while the sum is 30.

The spelling of 22144444122 in words is "twenty-two billion, one hundred forty-four million, four hundred forty-four thousand, one hundred twenty-two".