338122399 has 2 divisors, whose sum is σ = 338122400. Its totient is φ = 338122398.

The previous prime is 338122357. The next prime is 338122403. The reversal of 338122399 is 993221833.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338122399 - 2⁹ = 338121887 is a prime.

It is a super-2 number, since 2×338122399² = 228653513411030402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338122199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169061199 + 169061200.

It is an arithmetic number, because the mean of its divisors is an integer number (169061200).

Almost surely, 2^338122399 is an apocalyptic number.

338122399 is a deficient number, since it is larger than the sum of its proper divisors (1).

338122399 is an equidigital number, since it uses as much as digits as its factorization.

338122399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 338122399 is about 18388.1048234993. The cubic root of 338122399 is about 696.6660504053. Note that the first 3 decimals are identical.

The spelling of 338122399 in words is "three hundred thirty-eight million, one hundred twenty-two thousand, three hundred ninety-nine".