68332226 has 8 divisors (see below), whose sum is σ = 102946620. Its totient is φ = 34016688.

The previous prime is 68332177. The next prime is 68332237. The reversal of 68332226 is 62223386.

It can be written as a sum of positive squares in 2 ways, for example, as 68046001 + 286225 = 8249^2 + 535^2 .

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

It is a super-2 number, since 2×68332226² = 9338586220230152, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68332192 and 68332201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74141 + ... + 75056.

Almost surely, 2^68332226 is an apocalyptic number.

68332226 is a deficient number, since it is larger than the sum of its proper divisors (34614394).

68332226 is a wasteful number, since it uses less digits than its factorization.

68332226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149428.

The product of its digits is 20736, while the sum is 32.

The square root of 68332226 is about 8266.3308668357. The cubic root of 68332226 is about 408.8291521254.

The spelling of 68332226 in words is "sixty-eight million, three hundred thirty-two thousand, two hundred twenty-six".