222210009997 has 2 divisors, whose sum is σ = 222210009998. Its totient is φ = 222210009996.

The previous prime is 222210009979. The next prime is 222210010019. The reversal of 222210009997 is 799900012222.

Together with previous prime (222210009979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113393154121 + 108816855876 = 336739^2 + 329874^2 .

It is a cyclic number.

It is not a de Polignac number, because 222210009997 - 2⁷ = 222210009869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222210009937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105004998 + 111105004999.

It is an arithmetic number, because the mean of its divisors is an integer number (111105004999).

Almost surely, 2^222210009997 is an apocalyptic number.

It is an amenable number.

222210009997 is a deficient number, since it is larger than the sum of its proper divisors (1).

222210009997 is an equidigital number, since it uses as much as digits as its factorization.

222210009997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 222210009997 in words is "two hundred twenty-two billion, two hundred ten million, nine thousand, nine hundred ninety-seven".