338224081 has 4 divisors (see below), whose sum is σ = 364241332. Its totient is φ = 312206832.

The previous prime is 338224063. The next prime is 338224097. The reversal of 338224081 is 180422833.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88078225 + 250145856 = 9385^2 + 15816^2 .

It is a cyclic number.

It is not a de Polignac number, because 338224081 - 2¹⁵ = 338191313 is a prime.

It is a super-2 number, since 2×338224081² = 228791057936589122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338222081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13008606 + ... + 13008631.

It is an arithmetic number, because the mean of its divisors is an integer number (91060333).

Almost surely, 2^338224081 is an apocalyptic number.

It is an amenable number.

338224081 is a deficient number, since it is larger than the sum of its proper divisors (26017251).

338224081 is a wasteful number, since it uses less digits than its factorization.

338224081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26017250.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 338224081 is about 18390.8695009235. The cubic root of 338224081 is about 696.7358784693.

The spelling of 338224081 in words is "three hundred thirty-eight million, two hundred twenty-four thousand, eighty-one".