222665071873 has 2 divisors, whose sum is σ = 222665071874. Its totient is φ = 222665071872.

The previous prime is 222665071861. The next prime is 222665071891. The reversal of 222665071873 is 378170566222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152242773489 + 70422298384 = 390183^2 + 265372^2 .

It is a cyclic number.

It is not a de Polignac number, because 222665071873 - 2¹³ = 222665063681 is a prime.

It is not a weakly prime, because it can be changed into another prime (222665071813) 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 as a sum of consecutive naturals, namely, 111332535936 + 111332535937.

It is an arithmetic number, because the mean of its divisors is an integer number (111332535937).

Almost surely, 2^222665071873 is an apocalyptic number.

It is an amenable number.

222665071873 is a deficient number, since it is larger than the sum of its proper divisors (1).

222665071873 is an equidigital number, since it uses as much as digits as its factorization.

222665071873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 222665071873 in words is "two hundred twenty-two billion, six hundred sixty-five million, seventy-one thousand, eight hundred seventy-three".