68306422 has 4 divisors (see below), whose sum is σ = 102459636. Its totient is φ = 34153210.

The previous prime is 68306417. The next prime is 68306429. The reversal of 68306422 is 22460386.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68306429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17076604 + ... + 17076607.

It is an arithmetic number, because the mean of its divisors is an integer number (25614909).

Almost surely, 2^68306422 is an apocalyptic number.

68306422 is a deficient number, since it is larger than the sum of its proper divisors (34153214).

68306422 is a wasteful number, since it uses less digits than its factorization.

68306422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34153213.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 68306422 is about 8264.7699302521. The cubic root of 68306422 is about 408.7776841908. Note that the first 3 decimals are identical.

The spelling of 68306422 in words is "sixty-eight million, three hundred six thousand, four hundred twenty-two".