22521122352422 has 24 divisors (see below), whose sum is σ = 35407490127240. Its totient is φ = 10742551918560.

The previous prime is 22521122352419. The next prime is 22521122352433. The reversal of 22521122352422 is 22425322112522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27681479 + ... + 28483442.

It is an arithmetic number, because the mean of its divisors is an integer number (1475312088635).

Almost surely, 2^{22521122352422} is an apocalyptic number.

22521122352422 is a deficient number, since it is larger than the sum of its proper divisors (12886367774818).

22521122352422 is a wasteful number, since it uses less digits than its factorization.

22521122352422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56165348 (or 56165325 counting only the distinct ones).

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

Adding to 22521122352422 its reverse (22425322112522), we get a palindrome (44946444464944).

The spelling of 22521122352422 in words is "twenty-two trillion, five hundred twenty-one billion, one hundred twenty-two million, three hundred fifty-two thousand, four hundred twenty-two".