22144123040552 has 8 divisors (see below), whose sum is σ = 41520230701050. Its totient is φ = 11072061520272.

The previous prime is 22144123040477. The next prime is 22144123040563. The reversal of 22144123040552 is 25504032144122.

It can be written as a sum of positive squares in only one way, i.e., 20439025070116 + 1705097970436 = 4520954^2 + 1305794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384007690027 + ... + 1384007690042.

Almost surely, 2^{22144123040552} is an apocalyptic number.

It is an amenable number.

22144123040552 is a deficient number, since it is larger than the sum of its proper divisors (19376107660498).

22144123040552 is a wasteful number, since it uses less digits than its factorization.

22144123040552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768015380075 (or 2768015380071 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 22144123040552 its reverse (25504032144122), we get a palindrome (47648155184674).

The spelling of 22144123040552 in words is "twenty-two trillion, one hundred forty-four billion, one hundred twenty-three million, forty thousand, five hundred fifty-two".