222011212469 has 2 divisors, whose sum is σ = 222011212470. Its totient is φ = 222011212468.

The previous prime is 222011212447. The next prime is 222011212471. The reversal of 222011212469 is 964212110222.

222011212469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125697193444 + 96314019025 = 354538^2 + 310345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222011212469 is a prime.

It is a super-2 number, since 2×222011212469² (a number of 23 digits) contains 22 as substring.

Together with 222011212471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222011212429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005606234 + 111005606235.

It is an arithmetic number, because the mean of its divisors is an integer number (111005606235).

Almost surely, 2^222011212469 is an apocalyptic number.

It is an amenable number.

222011212469 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011212469 is an equidigital number, since it uses as much as digits as its factorization.

222011212469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 222011212469 in words is "two hundred twenty-two billion, eleven million, two hundred twelve thousand, four hundred sixty-nine".