68719044222 has 80 divisors (see below), whose sum is σ = 159217631232. Its totient is φ = 22129932240.

The previous prime is 68719044221. The next prime is 68719044241. The reversal of 68719044222 is 22244091786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68719044221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3037083 + ... + 3059625.

Almost surely, 2^68719044222 is an apocalyptic number.

68719044222 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68719044222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79608815616).

68719044222 is an abundant number, since it is smaller than the sum of its proper divisors (90498587010).

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

68719044222 is a wasteful number, since it uses less digits than its factorization.

68719044222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23195 (or 23186 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 68719044222 in words is "sixty-eight billion, seven hundred nineteen million, forty-four thousand, two hundred twenty-two".