68222622 has 64 divisors (see below), whose sum is σ = 151732224. Its totient is φ = 20321280.

The previous prime is 68222611. The next prime is 68222657. The reversal of 68222622 is 22622286.

It is a self number, because there is not a number n which added to its sum of digits gives 68222622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 537123 + ... + 537249.

It is an arithmetic number, because the mean of its divisors is an integer number (2370816).

Almost surely, 2^68222622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68222622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75866112).

68222622 is an abundant number, since it is smaller than the sum of its proper divisors (83509602).

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

68222622 is a wasteful number, since it uses less digits than its factorization.

68222622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 9216, while the sum is 30.

The square root of 68222622 is about 8259.6986627843. The cubic root of 68222622 is about 408.6104496077.

The spelling of 68222622 in words is "sixty-eight million, two hundred twenty-two thousand, six hundred twenty-two".