1111022489 has 2 divisors, whose sum is σ = 1111022490. Its totient is φ = 1111022488.

The previous prime is 1111022467. The next prime is 1111022491. The reversal of 1111022489 is 9842201111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110022489 + 1000000 = 33317^2 + 1000^2 .

It is an emirp because it is prime and its reverse (9842201111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111022489 is a prime.

Together with 1111022491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1111022389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555511244 + 555511245.

It is an arithmetic number, because the mean of its divisors is an integer number (555511245).

Almost surely, 2^1111022489 is an apocalyptic number.

It is an amenable number.

1111022489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111022489 is an equidigital number, since it uses as much as digits as its factorization.

1111022489 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 29.

The square root of 1111022489 is about 33332.0039751588. The cubic root of 1111022489 is about 1035.7166309687.

The spelling of 1111022489 in words is "one billion, one hundred eleven million, twenty-two thousand, four hundred eighty-nine".