22412242144 has 48 divisors (see below), whose sum is σ = 45850734720. Its totient is φ = 10771084800.

The previous prime is 22412242133. The next prime is 22412242147. The reversal of 22412242144 is 44124221422.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22412242147) 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, 152794 + ... + 261094.

It is an arithmetic number, because the mean of its divisors is an integer number (955223640).

Almost surely, 2^22412242144 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 22412242144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22925367360).

22412242144 is an abundant number, since it is smaller than the sum of its proper divisors (23438492576).

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

22412242144 is a wasteful number, since it uses less digits than its factorization.

22412242144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108563 (or 108555 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

Adding to 22412242144 its reverse (44124221422), we get a palindrome (66536463566).

The spelling of 22412242144 in words is "twenty-two billion, four hundred twelve million, two hundred forty-two thousand, one hundred forty-four".