68668822 has 8 divisors (see below), whose sum is σ = 104065416. Its totient is φ = 33980352.

The previous prime is 68668811. The next prime is 68668829. The reversal of 68668822 is 22886686.

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

It is a super-2 number, since 2×68668822² = 9430814229735368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68668829) 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, 176788 + ... + 177175.

It is an arithmetic number, because the mean of its divisors is an integer number (13008177).

Almost surely, 2^68668822 is an apocalyptic number.

68668822 is a deficient number, since it is larger than the sum of its proper divisors (35396594).

68668822 is a wasteful number, since it uses less digits than its factorization.

68668822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354062.

The product of its digits is 442368, while the sum is 46.

The square root of 68668822 is about 8286.6653124161. The cubic root of 68668822 is about 409.4993333432.

The spelling of 68668822 in words is "sixty-eight million, six hundred sixty-eight thousand, eight hundred twenty-two".