1122322291 has 2 divisors, whose sum is σ = 1122322292. Its totient is φ = 1122322290.

The previous prime is 1122322273. The next prime is 1122322297. The reversal of 1122322291 is 1922232211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122322291 - 2⁷ = 1122322163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122322297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561161145 + 561161146.

It is an arithmetic number, because the mean of its divisors is an integer number (561161146).

Almost surely, 2^1122322291 is an apocalyptic number.

1122322291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122322291 is an equidigital number, since it uses as much as digits as its factorization.

1122322291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 1122322291 is about 33501.0789527740. The cubic root of 1122322291 is about 1039.2160916554.

The spelling of 1122322291 in words is "one billion, one hundred twenty-two million, three hundred twenty-two thousand, two hundred ninety-one".