68288222 has 8 divisors (see below), whose sum is σ = 102497400. Its totient is φ = 34122424.

The previous prime is 68288197. The next prime is 68288237. The reversal of 68288222 is 22288286.

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

It is a congruent number.

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, 6572 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (12812175).

Almost surely, 2^68288222 is an apocalyptic number.

68288222 is a deficient number, since it is larger than the sum of its proper divisors (34209178).

68288222 is a wasteful number, since it uses less digits than its factorization.

68288222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21690.

The product of its digits is 49152, while the sum is 38.

The square root of 68288222 is about 8263.6687978161. The cubic root of 68288222 is about 408.7413751855.

The spelling of 68288222 in words is "sixty-eight million, two hundred eighty-eight thousand, two hundred twenty-two".