22666204640459 has 8 divisors (see below), whose sum is σ = 22679283562320. Its totient is φ = 22653129148416.

The previous prime is 22666204640441. The next prime is 22666204640501. The reversal of 22666204640459 is 95404640266622.

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 not a de Polignac number, because 22666204640459 - 2⁸ = 22666204640203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22666204340459) by changing a digit.

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, 12422759 + ... + 14130015.

It is an arithmetic number, because the mean of its divisors is an integer number (2834910445290).

Almost surely, 2^{22666204640459} is an apocalyptic number.

22666204640459 is a deficient number, since it is larger than the sum of its proper divisors (13078921861).

22666204640459 is a wasteful number, since it uses less digits than its factorization.

22666204640459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714909.

The product of its (nonzero) digits is 29859840, while the sum is 56.

The spelling of 22666204640459 in words is "twenty-two trillion, six hundred sixty-six billion, two hundred four million, six hundred forty thousand, four hundred fifty-nine".