68398622 has 4 divisors (see below), whose sum is σ = 102597936. Its totient is φ = 34199310.

The previous prime is 68398609. The next prime is 68398639. The reversal of 68398622 is 22689386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22689386 = 2 ⋅11344693.

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 as a sum of consecutive naturals, namely, 17099654 + ... + 17099657.

It is an arithmetic number, because the mean of its divisors is an integer number (25649484).

Almost surely, 2^68398622 is an apocalyptic number.

68398622 is a deficient number, since it is larger than the sum of its proper divisors (34199314).

68398622 is a wasteful number, since it uses less digits than its factorization.

68398622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34199313.

The product of its digits is 248832, while the sum is 44.

The square root of 68398622 is about 8270.3459419785. The cubic root of 68398622 is about 408.9615241891.

The spelling of 68398622 in words is "sixty-eight million, three hundred ninety-eight thousand, six hundred twenty-two".