268228238 has 8 divisors (see below), whose sum is σ = 411699288. Its totient is φ = 130995144.

The previous prime is 268228237. The next prime is 268228243. The reversal of 268228238 is 832822862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 268228195 and 268228204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268228237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559381 + ... + 1559552.

It is an arithmetic number, because the mean of its divisors is an integer number (51462411).

Almost surely, 2^268228238 is an apocalyptic number.

268228238 is a deficient number, since it is larger than the sum of its proper divisors (143471050).

268228238 is a wasteful number, since it uses less digits than its factorization.

268228238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118978.

The product of its digits is 147456, while the sum is 41.

The square root of 268228238 is about 16377.6749876165. The cubic root of 268228238 is about 644.9135456906.

The spelling of 268228238 in words is "two hundred sixty-eight million, two hundred twenty-eight thousand, two hundred thirty-eight".