22244340655 has 8 divisors (see below), whose sum is σ = 26761831200. Its totient is φ = 17749724256.

The previous prime is 22244340619. The next prime is 22244340661. The reversal of 22244340655 is 55604344222.

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

It is a cyclic number.

It is not a de Polignac number, because 22244340655 - 2¹⁹ = 22243816367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5716395 + ... + 5720284.

It is an arithmetic number, because the mean of its divisors is an integer number (3345228900).

Almost surely, 2^22244340655 is an apocalyptic number.

22244340655 is a deficient number, since it is larger than the sum of its proper divisors (4517490545).

22244340655 is a wasteful number, since it uses less digits than its factorization.

22244340655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11437073.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 22244340655 its reverse (55604344222), we get a palindrome (77848684877).

The spelling of 22244340655 in words is "twenty-two billion, two hundred forty-four million, three hundred forty thousand, six hundred fifty-five".