68422291 has 8 divisors (see below), whose sum is σ = 78889824. Its totient is φ = 58128000.

The previous prime is 68422283. The next prime is 68422313. The reversal of 68422291 is 19222486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68422291 - 2³ = 68422283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68422261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42460 + ... + 44041.

It is an arithmetic number, because the mean of its divisors is an integer number (9861228).

Almost surely, 2^68422291 is an apocalyptic number.

68422291 is a deficient number, since it is larger than the sum of its proper divisors (10467533).

68422291 is a wasteful number, since it uses less digits than its factorization.

68422291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86621.

The product of its digits is 13824, while the sum is 34.

The square root of 68422291 is about 8271.7767740673. The cubic root of 68422291 is about 409.0086917767.

The spelling of 68422291 in words is "sixty-eight million, four hundred twenty-two thousand, two hundred ninety-one".