1122228229 has 2 divisors, whose sum is σ = 1122228230. Its totient is φ = 1122228228.

The previous prime is 1122228223. The next prime is 1122228281. The reversal of 1122228229 is 9228222211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1122116004 + 112225 = 33498^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122228229 - 2³ = 1122228221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122228229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122228221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561114114 + 561114115.

It is an arithmetic number, because the mean of its divisors is an integer number (561114115).

Almost surely, 2^1122228229 is an apocalyptic number.

It is an amenable number.

1122228229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122228229 is an equidigital number, since it uses as much as digits as its factorization.

1122228229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 1122228229 is about 33499.6750581256. The cubic root of 1122228229 is about 1039.1870585586.

The spelling of 1122228229 in words is "one billion, one hundred twenty-two million, two hundred twenty-eight thousand, two hundred twenty-nine".