1200228229 has 2 divisors, whose sum is σ = 1200228230. Its totient is φ = 1200228228.

The previous prime is 1200228217. The next prime is 1200228241. The reversal of 1200228229 is 9228220021.

It is a balanced prime because it is at equal distance from previous prime (1200228217) and next prime (1200228241).

It can be written as a sum of positive squares in only one way, i.e., 889411329 + 310816900 = 29823^2 + 17630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200228229 - 2¹⁹ = 1199703941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200228197 and 1200228206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200228269) 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, 600114114 + 600114115.

It is an arithmetic number, because the mean of its divisors is an integer number (600114115).

Almost surely, 2^1200228229 is an apocalyptic number.

It is an amenable number.

1200228229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200228229 is an equidigital number, since it uses as much as digits as its factorization.

1200228229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1200228229 is about 34644.3101966254. The cubic root of 1200228229 is about 1062.7259342183.

The spelling of 1200228229 in words is "one billion, two hundred million, two hundred twenty-eight thousand, two hundred twenty-nine".