1111022389 has 2 divisors, whose sum is σ = 1111022390. Its totient is φ = 1111022388.

The previous prime is 1111022377. The next prime is 1111022467. The reversal of 1111022389 is 9832201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705805489 + 405216900 = 26567^2 + 20130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111022389 - 2⁵ = 1111022357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111022329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555511194 + 555511195.

It is an arithmetic number, because the mean of its divisors is an integer number (555511195).

Almost surely, 2^1111022389 is an apocalyptic number.

It is an amenable number.

1111022389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111022389 is an equidigital number, since it uses as much as digits as its factorization.

1111022389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 1111022389 is about 33332.0024750989. The cubic root of 1111022389 is about 1035.7165998947.

It can be divided in two parts, 11 and 11022389, that added together give a square (11022400 = 3320²).

The spelling of 1111022389 in words is "one billion, one hundred eleven million, twenty-two thousand, three hundred eighty-nine".