2221230198 has 32 divisors (see below), whose sum is σ = 5057033472. Its totient is φ = 643834400.

The previous prime is 2221230181. The next prime is 2221230211. The reversal of 2221230198 is 8910321222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730113 + ... + 733148.

It is an arithmetic number, because the mean of its divisors is an integer number (158032296).

Almost surely, 2^2221230198 is an apocalyptic number.

2221230198 is an abundant number, since it is smaller than the sum of its proper divisors (2835803274).

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

2221230198 is a wasteful number, since it uses less digits than its factorization.

2221230198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463300.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2221230198 is about 47129.9288987369. The cubic root of 2221230198 is about 1304.7616693111.

The spelling of 2221230198 in words is "two billion, two hundred twenty-one million, two hundred thirty thousand, one hundred ninety-eight".