7198194222 has 16 divisors (see below), whose sum is σ = 15995987280. Its totient is φ = 2399398056.

The previous prime is 7198194221. The next prime is 7198194239. The reversal of 7198194222 is 2224918917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7198194221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66649893 + ... + 66650000.

It is an arithmetic number, because the mean of its divisors is an integer number (999749205).

Almost surely, 2^7198194222 is an apocalyptic number.

7198194222 is an abundant number, since it is smaller than the sum of its proper divisors (8797793058).

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

7198194222 is a wasteful number, since it uses less digits than its factorization.

7198194222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133299904 (or 133299898 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7198194222 is about 84842.1724262174. The cubic root of 7198194222 is about 1930.8173242793.

The spelling of 7198194222 in words is "seven billion, one hundred ninety-eight million, one hundred ninety-four thousand, two hundred twenty-two".