68215922 has 8 divisors (see below), whose sum is σ = 102450096. Its totient is φ = 34065892.

The previous prime is 68215879. The next prime is 68215937. The reversal of 68215922 is 22951286.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18968 + ... + 22275.

It is an arithmetic number, because the mean of its divisors is an integer number (12806262).

Almost surely, 2^68215922 is an apocalyptic number.

68215922 is a deficient number, since it is larger than the sum of its proper divisors (34234174).

68215922 is a wasteful number, since it uses less digits than its factorization.

68215922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42072.

The product of its digits is 17280, while the sum is 35.

The square root of 68215922 is about 8259.2930690223. The cubic root of 68215922 is about 408.5970729126.

The spelling of 68215922 in words is "sixty-eight million, two hundred fifteen thousand, nine hundred twenty-two".