222766130077709 has 2 divisors, whose sum is σ = 222766130077710. Its totient is φ = 222766130077708.

The previous prime is 222766130077681. The next prime is 222766130077721. The reversal of 222766130077709 is 907770031667222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165713562588484 + 57052567489225 = 12872978^2 + 7553315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222766130077709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222766130077769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111383065038854 + 111383065038855.

It is an arithmetic number, because the mean of its divisors is an integer number (111383065038855).

Almost surely, 2^{222766130077709} is an apocalyptic number.

It is an amenable number.

222766130077709 is a deficient number, since it is larger than the sum of its proper divisors (1).

222766130077709 is an equidigital number, since it uses as much as digits as its factorization.

222766130077709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18670176, while the sum is 59.

The spelling of 222766130077709 in words is "two hundred twenty-two trillion, seven hundred sixty-six billion, one hundred thirty million, seventy-seven thousand, seven hundred nine".