1338229 has 2 divisors, whose sum is σ = 1338230. Its totient is φ = 1338228.

The previous prime is 1338217. The next prime is 1338241. The reversal of 1338229 is 9228331.

It is a balanced prime because it is at equal distance from previous prime (1338217) and next prime (1338241).

It can be written as a sum of positive squares in only one way, i.e., 996004 + 342225 = 998^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338229 - 2⁷ = 1338101 is a prime.

1338229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1338197 and 1338206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338269) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669114 + 669115.

It is an arithmetic number, because the mean of its divisors is an integer number (669115).

2^1338229 is an apocalyptic number.

It is an amenable number.

1338229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338229 is an equidigital number, since it uses as much as digits as its factorization.

1338229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 1338229 is about 1156.8184818717. The cubic root of 1338229 is about 110.1987865519.

The spelling of 1338229 in words is "one million, three hundred thirty-eight thousand, two hundred twenty-nine".