1122022229 has 2 divisors, whose sum is σ = 1122022230. Its totient is φ = 1122022228.

The previous prime is 1122022201. The next prime is 1122022247. The reversal of 1122022229 is 9222202211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089132004 + 32890225 = 33002^2 + 5735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122022229 - 2²⁰ = 1120973653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122022249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561011114 + 561011115.

It is an arithmetic number, because the mean of its divisors is an integer number (561011115).

Almost surely, 2^1122022229 is an apocalyptic number.

It is an amenable number.

1122022229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122022229 is an equidigital number, since it uses as much as digits as its factorization.

1122022229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1122022229 is about 33496.6002603249. The cubic root of 1122022229 is about 1039.1234691067.

The spelling of 1122022229 in words is "one billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-nine".