22144122405352 has 16 divisors (see below), whose sum is σ = 42532918035300. Its totient is φ = 10802010929280.

The previous prime is 22144122405331. The next prime is 22144122405367. The reversal of 22144122405352 is 25350422144122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20626185059236 + 1517937346116 = 4541606^2 + 1232046^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33756283827 + ... + 33756284482.

Almost surely, 2^{22144122405352} is an apocalyptic number.

It is an amenable number.

22144122405352 is a deficient number, since it is larger than the sum of its proper divisors (20388795629948).

22144122405352 is a wasteful number, since it uses less digits than its factorization.

22144122405352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67512568356 (or 67512568352 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 22144122405352 its reverse (25350422144122), we get a palindrome (47494544549474).

The spelling of 22144122405352 in words is "twenty-two trillion, one hundred forty-four billion, one hundred twenty-two million, four hundred five thousand, three hundred fifty-two".