22144204014402 has 16 divisors (see below), whose sum is σ = 44544410389440. Its totient is φ = 7338734278032.

The previous prime is 22144204014377. The next prime is 22144204014403. The reversal of 22144204014402 is 20441040244122.

It is a self number, because there is not a number n which added to its sum of digits gives 22144204014402.

It is not an unprimeable number, because it can be changed into a prime (22144204014403) 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, 10666763902 + ... + 10666765977.

It is an arithmetic number, because the mean of its divisors is an integer number (2784025649340).

Almost surely, 2^{22144204014402} is an apocalyptic number.

22144204014402 is an abundant number, since it is smaller than the sum of its proper divisors (22400206375038).

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

22144204014402 is a wasteful number, since it uses less digits than its factorization.

22144204014402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21333530057.

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

Adding to 22144204014402 its reverse (20441040244122), we get a palindrome (42585244258524).

The spelling of 22144204014402 in words is "twenty-two trillion, one hundred forty-four billion, two hundred four million, fourteen thousand, four hundred two".