68670222 has 16 divisors (see below), whose sum is σ = 137434752. Its totient is φ = 22874360.

The previous prime is 68670221. The next prime is 68670223. The reversal of 68670222 is 22207686.

It is an interprime number because it is at equal distance from previous prime (68670221) and next prime (68670223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68670221) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8623 + ... + 14549.

It is an arithmetic number, because the mean of its divisors is an integer number (8589672).

Almost surely, 2^68670222 is an apocalyptic number.

68670222 is an abundant number, since it is smaller than the sum of its proper divisors (68764530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68670222 is a wasteful number, since it uses less digits than its factorization.

68670222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 68670222 is about 8286.7497850484. The cubic root of 68670222 is about 409.5021162421.

The spelling of 68670222 in words is "sixty-eight million, six hundred seventy thousand, two hundred twenty-two".