338222939 has 4 divisors (see below), whose sum is σ = 358118424. Its totient is φ = 318327456.

The previous prime is 338222923. The next prime is 338222947. The reversal of 338222939 is 939222833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939222833 = 11617 ⋅80849.

It is a cyclic number.

It is not a de Polignac number, because 338222939 - 2⁴ = 338222923 is a prime.

It is a super-2 number, since 2×338222939² = 228789512931595442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338222896 and 338222905.

It is not an unprimeable number, because it can be changed into a prime (338222999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9947717 + ... + 9947750.

It is an arithmetic number, because the mean of its divisors is an integer number (89529606).

Almost surely, 2^338222939 is an apocalyptic number.

338222939 is a deficient number, since it is larger than the sum of its proper divisors (19895485).

338222939 is a wasteful number, since it uses less digits than its factorization.

338222939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19895484.

The product of its digits is 139968, while the sum is 41.

The square root of 338222939 is about 18390.8384528819. The cubic root of 338222939 is about 696.7350943015.

The spelling of 338222939 in words is "three hundred thirty-eight million, two hundred twenty-two thousand, nine hundred thirty-nine".