22666064227 has 2 divisors, whose sum is σ = 22666064228. Its totient is φ = 22666064226.

The previous prime is 22666064167. The next prime is 22666064261. The reversal of 22666064227 is 72246066622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22666064227 is a prime.

It is not a weakly prime, because it can be changed into another prime (22666064297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11333032113 + 11333032114.

It is an arithmetic number, because the mean of its divisors is an integer number (11333032114).

Almost surely, 2^22666064227 is an apocalyptic number.

22666064227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22666064227 is an equidigital number, since it uses as much as digits as its factorization.

22666064227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 22666064227 in words is "twenty-two billion, six hundred sixty-six million, sixty-four thousand, two hundred twenty-seven".