68422 has 4 divisors (see below), whose sum is σ = 102636. Its totient is φ = 34210.

The previous prime is 68399. The next prime is 68437. The reversal of 68422 is 22486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22486 = 2 ⋅11243.

It is a junction number, because it is equal to n+sod(n) for n = 68393 and 68402.

It is a congruent number.

It is an unprimeable number.

68422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17104 + ... + 17107.

It is an arithmetic number, because the mean of its divisors is an integer number (25659).

2⁶⁸⁴²² is an apocalyptic number.

68422 is a deficient number, since it is larger than the sum of its proper divisors (34214).

68422 is a wasteful number, since it uses less digits than its factorization.

68422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34213.

The product of its digits is 768, while the sum is 22.

The square root of 68422 is about 261.5759927822. The cubic root of 68422 is about 40.9008111938.

The spelling of 68422 in words is "sixty-eight thousand, four hundred twenty-two".