68185822 has 8 divisors (see below), whose sum is σ = 103217400. Its totient is φ = 33780024.

The previous prime is 68185811. The next prime is 68185841. The reversal of 68185822 is 22858186.

It is a happy number.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 156172 + ... + 156607.

It is an arithmetic number, because the mean of its divisors is an integer number (12902175).

Almost surely, 2^68185822 is an apocalyptic number.

68185822 is a deficient number, since it is larger than the sum of its proper divisors (35031578).

68185822 is a wasteful number, since it uses less digits than its factorization.

68185822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312890.

The product of its digits is 61440, while the sum is 40.

The square root of 68185822 is about 8257.4706781193. The cubic root of 68185822 is about 408.5369668019.

The spelling of 68185822 in words is "sixty-eight million, one hundred eighty-five thousand, eight hundred twenty-two".