22422305304544 has 48 divisors (see below), whose sum is σ = 47651600898720. Its totient is φ = 10353928076800.

The previous prime is 22422305304491. The next prime is 22422305304557. The reversal of 22422305304544 is 44540350322422.

It is a junction number, because it is equal to n+sod(n) for n = 22422305304497 and 22422305304506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525238807 + ... + 525281494.

It is an arithmetic number, because the mean of its divisors is an integer number (992741685390).

Almost surely, 2^{22422305304544} is an apocalyptic number.

It is an amenable number.

22422305304544 is an abundant number, since it is smaller than the sum of its proper divisors (25229295594176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22422305304544 is a wasteful number, since it uses less digits than its factorization.

22422305304544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050520363 (or 1050520355 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 40.

Adding to 22422305304544 its reverse (44540350322422), we get a palindrome (66962655626966).

The spelling of 22422305304544 in words is "twenty-two trillion, four hundred twenty-two billion, three hundred five million, three hundred four thousand, five hundred forty-four".