222012222989 has 2 divisors, whose sum is σ = 222012222990. Its totient is φ = 222012222988.

The previous prime is 222012222977. The next prime is 222012223033. The reversal of 222012222989 is 989222210222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204379038889 + 17633184100 = 452083^2 + 132790^2 .

It is a cyclic number.

It is not a de Polignac number, because 222012222989 - 2⁴ = 222012222973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222012252989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111006111494 + 111006111495.

It is an arithmetic number, because the mean of its divisors is an integer number (111006111495).

Almost surely, 2^222012222989 is an apocalyptic number.

It is an amenable number.

222012222989 is a deficient number, since it is larger than the sum of its proper divisors (1).

222012222989 is an equidigital number, since it uses as much as digits as its factorization.

222012222989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 222012222989 in words is "two hundred twenty-two billion, twelve million, two hundred twenty-two thousand, nine hundred eighty-nine".