1132222291 has 2 divisors, whose sum is σ = 1132222292. Its totient is φ = 1132222290.

The previous prime is 1132222283. The next prime is 1132222307. The reversal of 1132222291 is 1922222311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1132222291 - 2³ = 1132222283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1132222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566111145 + 566111146.

It is an arithmetic number, because the mean of its divisors is an integer number (566111146).

Almost surely, 2^1132222291 is an apocalyptic number.

1132222291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132222291 is an equidigital number, since it uses as much as digits as its factorization.

1132222291 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1132222291 is about 33648.5109774563. The cubic root of 1132222291 is about 1042.2627910249.

The spelling of 1132222291 in words is "one billion, one hundred thirty-two million, two hundred twenty-two thousand, two hundred ninety-one".