68225998 has 16 divisors (see below), whose sum is σ = 114063120. Its totient is φ = 30416256.

The previous prime is 68225977. The next prime is 68226001. The reversal of 68225998 is 89952286.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 52161 + ... + 53452.

It is an arithmetic number, because the mean of its divisors is an integer number (7128945).

Almost surely, 2^68225998 is an apocalyptic number.

68225998 is a deficient number, since it is larger than the sum of its proper divisors (45837122).

68225998 is a wasteful number, since it uses less digits than its factorization.

68225998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105651.

The product of its digits is 622080, while the sum is 49.

The square root of 68225998 is about 8259.9030260651. The cubic root of 68225998 is about 408.6171895330.

The spelling of 68225998 in words is "sixty-eight million, two hundred twenty-five thousand, nine hundred ninety-eight".