222730067561 has 2 divisors, whose sum is σ = 222730067562. Its totient is φ = 222730067560.

The previous prime is 222730067557. The next prime is 222730067579. The reversal of 222730067561 is 165760037222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202922319961 + 19807747600 = 450469^2 + 140740^2 .

It is a cyclic number.

It is not a de Polignac number, because 222730067561 - 2² = 222730067557 is a prime.

It is not a weakly prime, because it can be changed into another prime (222730067501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111365033780 + 111365033781.

It is an arithmetic number, because the mean of its divisors is an integer number (111365033781).

Almost surely, 2^222730067561 is an apocalyptic number.

It is an amenable number.

222730067561 is a deficient number, since it is larger than the sum of its proper divisors (1).

222730067561 is an equidigital number, since it uses as much as digits as its factorization.

222730067561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 222730067561 in words is "two hundred twenty-two billion, seven hundred thirty million, sixty-seven thousand, five hundred sixty-one".