68070222 has 48 divisors (see below), whose sum is σ = 162220032. Its totient is φ = 20457360.

The previous prime is 68070187. The next prime is 68070287. The reversal of 68070222 is 22207086.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 23793 + ... + 26499.

It is an arithmetic number, because the mean of its divisors is an integer number (3379584).

Almost surely, 2^68070222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68070222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81110016).

68070222 is an abundant number, since it is smaller than the sum of its proper divisors (94149810).

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

68070222 is a wasteful number, since it uses less digits than its factorization.

68070222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 68070222 is about 8250.4679867266. The cubic root of 68070222 is about 408.3059628283.

The spelling of 68070222 in words is "sixty-eight million, seventy thousand, two hundred twenty-two".