222110000729 has 2 divisors, whose sum is σ = 222110000730. Its totient is φ = 222110000728.

The previous prime is 222110000701. The next prime is 222110000803. The reversal of 222110000729 is 927000011222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175852745104 + 46257255625 = 419348^2 + 215075^2 .

It is a cyclic number.

It is not a de Polignac number, because 222110000729 - 2⁸ = 222110000473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222110000698 and 222110000707.

It is not a weakly prime, because it can be changed into another prime (222110000429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055000364 + 111055000365.

It is an arithmetic number, because the mean of its divisors is an integer number (111055000365).

Almost surely, 2^222110000729 is an apocalyptic number.

It is an amenable number.

222110000729 is a deficient number, since it is larger than the sum of its proper divisors (1).

222110000729 is an equidigital number, since it uses as much as digits as its factorization.

222110000729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 222110000729 in words is "two hundred twenty-two billion, one hundred ten million, seven hundred twenty-nine", and thus it is an aban number.