338223307 has 2 divisors, whose sum is σ = 338223308. Its totient is φ = 338223306.

The previous prime is 338223293. The next prime is 338223323. The reversal of 338223307 is 703322833.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338223307 is a prime.

It is a super-2 number, since 2×338223307² = 228790010796032498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338223367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169111653 + 169111654.

It is an arithmetic number, because the mean of its divisors is an integer number (169111654).

Almost surely, 2^338223307 is an apocalyptic number.

338223307 is a deficient number, since it is larger than the sum of its proper divisors (1).

338223307 is an equidigital number, since it uses as much as digits as its factorization.

338223307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 338223307 is about 18390.8484578608. The cubic root of 338223307 is about 696.7353469933.

The spelling of 338223307 in words is "three hundred thirty-eight million, two hundred twenty-three thousand, three hundred seven".