2223212489 has 2 divisors, whose sum is σ = 2223212490. Its totient is φ = 2223212488.

The previous prime is 2223212479. The next prime is 2223212501. The reversal of 2223212489 is 9842123222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1204645264 + 1018567225 = 34708^2 + 31915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223212489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2223212479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111606244 + 1111606245.

It is an arithmetic number, because the mean of its divisors is an integer number (1111606245).

Almost surely, 2^2223212489 is an apocalyptic number.

It is an amenable number.

2223212489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223212489 is an equidigital number, since it uses as much as digits as its factorization.

2223212489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 2223212489 is about 47150.9542745425. The cubic root of 2223212489 is about 1305.1496897722.

The spelling of 2223212489 in words is "two billion, two hundred twenty-three million, two hundred twelve thousand, four hundred eighty-nine".