338428229 has 2 divisors, whose sum is σ = 338428230. Its totient is φ = 338428228.

The previous prime is 338428217. The next prime is 338428241. The reversal of 338428229 is 922824833.

It is a balanced prime because it is at equal distance from previous prime (338428217) and next prime (338428241).

It can be written as a sum of positive squares in only one way, i.e., 336172225 + 2256004 = 18335^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 338428229 - 2²⁸ = 69992773 is a prime.

It is a super-2 number, since 2×338428229² = 229067332368152882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338422229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169214114 + 169214115.

It is an arithmetic number, because the mean of its divisors is an integer number (169214115).

Almost surely, 2^338428229 is an apocalyptic number.

It is an amenable number.

338428229 is a deficient number, since it is larger than the sum of its proper divisors (1).

338428229 is an equidigital number, since it uses as much as digits as its factorization.

338428229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 338428229 is about 18396.4189178220. The cubic root of 338428229 is about 696.8760307491.

It can be divided in two parts, 3384 and 28229, that added together give a palindrome (31613).

The spelling of 338428229 in words is "three hundred thirty-eight million, four hundred twenty-eight thousand, two hundred twenty-nine".