222011220229 has 2 divisors, whose sum is σ = 222011220230. Its totient is φ = 222011220228.

The previous prime is 222011220127. The next prime is 222011220239. The reversal of 222011220229 is 922022110222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176482329604 + 45528890625 = 420098^2 + 213375^2 .

It is a cyclic number.

It is not a de Polignac number, because 222011220229 - 2¹⁹ = 222010695941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222011220239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005610114 + 111005610115.

It is an arithmetic number, because the mean of its divisors is an integer number (111005610115).

Almost surely, 2^222011220229 is an apocalyptic number.

It is an amenable number.

222011220229 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011220229 is an equidigital number, since it uses as much as digits as its factorization.

222011220229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 222011220229 in words is "two hundred twenty-two billion, eleven million, two hundred twenty thousand, two hundred twenty-nine".