22523162226433 has 4 divisors (see below), whose sum is σ = 24570722428848. Its totient is φ = 20475602024020.

The previous prime is 22523162226421. The next prime is 22523162226443. The reversal of 22523162226433 is 33462226132522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-22523162226433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22523162226433.

It is not an unprimeable number, because it can be changed into a prime (22523162226403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023780101191 + ... + 1023780101212.

It is an arithmetic number, because the mean of its divisors is an integer number (6142680607212).

Almost surely, 2^{22523162226433} is an apocalyptic number.

It is an amenable number.

22523162226433 is a deficient number, since it is larger than the sum of its proper divisors (2047560202415).

22523162226433 is a wasteful number, since it uses less digits than its factorization.

22523162226433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047560202414.

The product of its digits is 1244160, while the sum is 43.

Adding to 22523162226433 its reverse (33462226132522), we get a palindrome (55985388358955).

The spelling of 22523162226433 in words is "twenty-two trillion, five hundred twenty-three billion, one hundred sixty-two million, two hundred twenty-six thousand, four hundred thirty-three".