22244244432 has 80 divisors (see below), whose sum is σ = 59375009280. Its totient is φ = 7168665600.

The previous prime is 22244244431. The next prime is 22244244457. The reversal of 22244244432 is 23444244222.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 22244244393 and 22244244402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244244431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1673332 + ... + 1686572.

It is an arithmetic number, because the mean of its divisors is an integer number (742187616).

Almost surely, 2^22244244432 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 22244244432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29687504640).

22244244432 is an abundant number, since it is smaller than the sum of its proper divisors (37130764848).

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

22244244432 is a wasteful number, since it uses less digits than its factorization.

22244244432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412 (or 14406 counting only the distinct ones).

The product of its digits is 98304, while the sum is 33.

Adding to 22244244432 its reverse (23444244222), we get a palindrome (45688488654).

The spelling of 22244244432 in words is "twenty-two billion, two hundred forty-four million, two hundred forty-four thousand, four hundred thirty-two".