2221022198 has 8 divisors (see below), whose sum is σ = 3332610120. Its totient is φ = 1110152160.

The previous prime is 2221022183. The next prime is 2221022201. The reversal of 2221022198 is 8912201222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2221022198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171668 + ... + 184151.

It is an arithmetic number, because the mean of its divisors is an integer number (416576265).

Almost surely, 2^2221022198 is an apocalyptic number.

2221022198 is a deficient number, since it is larger than the sum of its proper divisors (1111587922).

2221022198 is a wasteful number, since it uses less digits than its factorization.

2221022198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358942.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2221022198 is about 47127.7221813234. The cubic root of 2221022198 is about 1304.7209412948.

The spelling of 2221022198 in words is "two billion, two hundred twenty-one million, twenty-two thousand, one hundred ninety-eight".