68033228 has 6 divisors (see below), whose sum is σ = 119058156. Its totient is φ = 34016612.

The previous prime is 68033221. The next prime is 68033237. The reversal of 68033228 is 82233086.

It is a happy number.

It is a super-2 number, since 2×68033228² = 9257040224199968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68033194 and 68033203.

It is not an unprimeable number, because it can be changed into a prime (68033221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8504150 + ... + 8504157.

It is an arithmetic number, because the mean of its divisors is an integer number (19843026).

Almost surely, 2^68033228 is an apocalyptic number.

It is an amenable number.

68033228 is a deficient number, since it is larger than the sum of its proper divisors (51024928).

68033228 is a wasteful number, since it uses less digits than its factorization.

68033228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17008311 (or 17008309 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68033228 is about 8248.2257486080. The cubic root of 68033228 is about 408.2319823245.

The spelling of 68033228 in words is "sixty-eight million, thirty-three thousand, two hundred twenty-eight".