2228198 has 8 divisors (see below), whose sum is σ = 3819792. Its totient is φ = 954936.

The previous prime is 2228189. The next prime is 2228201. The reversal of 2228198 is 8918222.

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

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, 79565 + ... + 79592.

It is an arithmetic number, because the mean of its divisors is an integer number (477474).

2^2228198 is an apocalyptic number.

2228198 is a deficient number, since it is larger than the sum of its proper divisors (1591594).

2228198 is a wasteful number, since it uses less digits than its factorization.

2228198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159166.

The product of its digits is 4608, while the sum is 32.

The square root of 2228198 is about 1492.7149761425. The cubic root of 2228198 is about 130.6124552409.

It can be divided in two parts, 2228 and 198, that multiplied together give a palindrome (441144).

The spelling of 2228198 in words is "two million, two hundred twenty-eight thousand, one hundred ninety-eight".