22445132142244 has 24 divisors (see below), whose sum is σ = 44890522826688. Its totient is φ = 9619286944800.

The previous prime is 22445132142241. The next prime is 22445132142281. The reversal of 22445132142244 is 44224123154422.

It is a junction number, because it is equal to n+sod(n) for n = 22445132142197 and 22445132142206.

It is not an unprimeable number, because it can be changed into a prime (22445132142241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841567 + ... + 7277689.

It is an arithmetic number, because the mean of its divisors is an integer number (1870438451112).

Almost surely, 2^{22445132142244} is an apocalyptic number.

It is an amenable number.

22445132142244 is an abundant number, since it is smaller than the sum of its proper divisors (22445390684444).

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

22445132142244 is a wasteful number, since it uses less digits than its factorization.

22445132142244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616835 (or 4616833 counting only the distinct ones).

The product of its digits is 491520, while the sum is 40.

Adding to 22445132142244 its reverse (44224123154422), we get a palindrome (66669255296666).

The spelling of 22445132142244 in words is "twenty-two trillion, four hundred forty-five billion, one hundred thirty-two million, one hundred forty-two thousand, two hundred forty-four".