22943865217 has 8 divisors (see below), whose sum is σ = 28238603456. Its totient is φ = 18153387792.

The previous prime is 22943865181. The next prime is 22943865239. The reversal of 22943865217 is 71256834922.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22943865217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22943865517) 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, 126065103 + ... + 126065284.

It is an arithmetic number, because the mean of its divisors is an integer number (3529825432).

Almost surely, 2^22943865217 is an apocalyptic number.

It is an amenable number.

22943865217 is a deficient number, since it is larger than the sum of its proper divisors (5294738239).

22943865217 is a wasteful number, since it uses less digits than its factorization.

22943865217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252130407.

The product of its digits is 1451520, while the sum is 49.

The spelling of 22943865217 in words is "twenty-two billion, nine hundred forty-three million, eight hundred sixty-five thousand, two hundred seventeen".