22149946655 has 8 divisors (see below), whose sum is σ = 26651198112. Its totient is φ = 17672449248.

The previous prime is 22149946633. The next prime is 22149946661. The reversal of 22149946655 is 55664994122.

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 22149946655 - 2¹² = 22149942559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22149946597 and 22149946606.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5936459 + ... + 5940188.

It is an arithmetic number, because the mean of its divisors is an integer number (3331399764).

Almost surely, 2^22149946655 is an apocalyptic number.

22149946655 is a deficient number, since it is larger than the sum of its proper divisors (4501251457).

22149946655 is a wasteful number, since it uses less digits than its factorization.

22149946655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11877025.

The product of its digits is 4665600, while the sum is 53.

The spelling of 22149946655 in words is "twenty-two billion, one hundred forty-nine million, nine hundred forty-six thousand, six hundred fifty-five".