22432621302444 has 192 divisors, whose sum is σ = 56823748047360. Its totient is φ = 6866188922880.

The previous prime is 22432621302437. The next prime is 22432621302449. The reversal of 22432621302444 is 44420312623422.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22432621302449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 271846239 + ... + 271928745.

It is an arithmetic number, because the mean of its divisors is an integer number (295957021080).

Almost surely, 2^{22432621302444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22432621302444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28411874023680).

22432621302444 is an abundant number, since it is smaller than the sum of its proper divisors (34391126744916).

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

22432621302444 is a wasteful number, since it uses less digits than its factorization.

22432621302444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82880 (or 82878 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 22432621302444 its reverse (44420312623422), we get a palindrome (66852933925866).

The spelling of 22432621302444 in words is "twenty-two trillion, four hundred thirty-two billion, six hundred twenty-one million, three hundred two thousand, four hundred forty-four".