68622188 has 24 divisors (see below), whose sum is σ = 122049312. Its totient is φ = 33755904.

The previous prime is 68622163. The next prime is 68622193. The reversal of 68622188 is 88122686.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 70481 + ... + 71447.

It is an arithmetic number, because the mean of its divisors is an integer number (5085388).

Almost surely, 2^68622188 is an apocalyptic number.

It is an amenable number.

68622188 is a deficient number, since it is larger than the sum of its proper divisors (53427124).

68622188 is a wasteful number, since it uses less digits than its factorization.

68622188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 68622188 is about 8283.8510368065. The cubic root of 68622188 is about 409.4066133580.

The spelling of 68622188 in words is "sixty-eight million, six hundred twenty-two thousand, one hundred eighty-eight".