338122427 has 2 divisors, whose sum is σ = 338122428. Its totient is φ = 338122426.

The previous prime is 338122417. The next prime is 338122429. The reversal of 338122427 is 724221833.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338122427 is a prime.

It is a super-2 number, since 2×338122427² = 228653551280740658, which contains 22 as substring.

Together with 338122429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 338122393 and 338122402.

It is not a weakly prime, because it can be changed into another prime (338122429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169061213 + 169061214.

It is an arithmetic number, because the mean of its divisors is an integer number (169061214).

Almost surely, 2^338122427 is an apocalyptic number.

338122427 is a deficient number, since it is larger than the sum of its proper divisors (1).

338122427 is an equidigital number, since it uses as much as digits as its factorization.

338122427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 338122427 is about 18388.1055848611. The cubic root of 338122427 is about 696.6660696357. Note that the first 3 decimals are identical.

The spelling of 338122427 in words is "three hundred thirty-eight million, one hundred twenty-two thousand, four hundred twenty-seven".