22443232255 has 8 divisors (see below), whose sum is σ = 26952587424. Its totient is φ = 17940780000.

The previous prime is 22443232247. The next prime is 22443232271. The reversal of 22443232255 is 55223234422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22443232255 - 2³ = 22443232247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22443232255.

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, 1718571 + ... + 1731580.

It is an arithmetic number, because the mean of its divisors is an integer number (3369073428).

Almost surely, 2^22443232255 is an apocalyptic number.

22443232255 is a deficient number, since it is larger than the sum of its proper divisors (4509355169).

22443232255 is a wasteful number, since it uses less digits than its factorization.

22443232255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451457.

The product of its digits is 115200, while the sum is 34.

Adding to 22443232255 its reverse (55223234422), we get a palindrome (77666466677).

The spelling of 22443232255 in words is "twenty-two billion, four hundred forty-three million, two hundred thirty-two thousand, two hundred fifty-five".