22666663111445 has 4 divisors (see below), whose sum is σ = 27199995733740. Its totient is φ = 18133330489152.

The previous prime is 22666663111429. The next prime is 22666663111453. The reversal of 22666663111445 is 54411136666622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2331099918436 + 20335563193009 = 1526794^2 + 4509497^2 .

It is a cyclic number.

It is not a de Polignac number, because 22666663111445 - 2⁴ = 22666663111429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2266666311140 + ... + 2266666311149.

It is an arithmetic number, because the mean of its divisors is an integer number (6799998933435).

Almost surely, 2^{22666663111445} is an apocalyptic number.

It is an amenable number.

22666663111445 is a deficient number, since it is larger than the sum of its proper divisors (4533332622295).

22666663111445 is an equidigital number, since it uses as much as digits as its factorization.

22666663111445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533332622294.

The product of its digits is 7464960, while the sum is 53.

The spelling of 22666663111445 in words is "twenty-two trillion, six hundred sixty-six billion, six hundred sixty-three million, one hundred eleven thousand, four hundred forty-five".