100222078194 has 128 divisors (see below), whose sum is σ = 259637575680. Its totient is φ = 28066010112.

The previous prime is 100222078193. The next prime is 100222078207. The reversal of 100222078194 is 491870222001.

It is not an unprimeable number, because it can be changed into a prime (100222078193) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3971922 + ... + 3997074.

It is an arithmetic number, because the mean of its divisors is an integer number (2028418560).

Almost surely, 2^100222078194 is an apocalyptic number.

100222078194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100222078194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129818787840).

100222078194 is an abundant number, since it is smaller than the sum of its proper divisors (159415497486).

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

100222078194 is a wasteful number, since it uses less digits than its factorization.

100222078194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25381 (or 25375 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 100222078194 in words is "one hundred billion, two hundred twenty-two million, seventy-eight thousand, one hundred ninety-four".