223221122287 has 2 divisors, whose sum is σ = 223221122288. Its totient is φ = 223221122286.

The previous prime is 223221122281. The next prime is 223221122329. The reversal of 223221122287 is 782221122322.

223221122287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223221122287 is a prime.

It is a super-3 number, since 3×223221122287³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223221122281) 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, 111610561143 + 111610561144.

It is an arithmetic number, because the mean of its divisors is an integer number (111610561144).

Almost surely, 2^223221122287 is an apocalyptic number.

223221122287 is a deficient number, since it is larger than the sum of its proper divisors (1).

223221122287 is an equidigital number, since it uses as much as digits as its factorization.

223221122287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 34.

The spelling of 223221122287 in words is "two hundred twenty-three billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred eighty-seven".