68221334 has 4 divisors (see below), whose sum is σ = 102332004. Its totient is φ = 34110666.

The previous prime is 68221301. The next prime is 68221397. The reversal of 68221334 is 43312286.

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

It is a junction number, because it is equal to n+sod(n) for n = 68221297 and 68221306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17055332 + ... + 17055335.

It is an arithmetic number, because the mean of its divisors is an integer number (25583001).

Almost surely, 2^68221334 is an apocalyptic number.

68221334 is a deficient number, since it is larger than the sum of its proper divisors (34110670).

68221334 is a wasteful number, since it uses less digits than its factorization.

68221334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34110669.

The product of its digits is 6912, while the sum is 29.

The square root of 68221334 is about 8259.6206934701. The cubic root of 68221334 is about 408.6078781558.

The spelling of 68221334 in words is "sixty-eight million, two hundred twenty-one thousand, three hundred thirty-four".