22561523313422 has 4 divisors (see below), whose sum is σ = 33842284970136. Its totient is φ = 11280761656710.

The previous prime is 22561523313403. The next prime is 22561523313463. The reversal of 22561523313422 is 22431332516522.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22561523313422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640380828354 + ... + 5640380828357.

It is an arithmetic number, because the mean of its divisors is an integer number (8460571242534).

Almost surely, 2^{22561523313422} is an apocalyptic number.

22561523313422 is a deficient number, since it is larger than the sum of its proper divisors (11280761656714).

22561523313422 is a wasteful number, since it uses less digits than its factorization.

22561523313422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11280761656713.

The product of its digits is 518400, while the sum is 41.

Adding to 22561523313422 its reverse (22431332516522), we get a palindrome (44992855829944).

The spelling of 22561523313422 in words is "twenty-two trillion, five hundred sixty-one billion, five hundred twenty-three million, three hundred thirteen thousand, four hundred twenty-two".