2256198 has 16 divisors (see below), whose sum is σ = 5157120. Its totient is φ = 644616.

The previous prime is 2256197. The next prime is 2256217. The reversal of 2256198 is 8916522.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256197) 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, 26818 + ... + 26901.

It is an arithmetic number, because the mean of its divisors is an integer number (322320).

2^2256198 is an apocalyptic number.

2256198 is an abundant number, since it is smaller than the sum of its proper divisors (2900922).

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

2256198 is a wasteful number, since it uses less digits than its factorization.

2256198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53731.

The product of its digits is 8640, while the sum is 33.

The square root of 2256198 is about 1502.0645791709. The cubic root of 2256198 is about 131.1572805470.

The spelling of 2256198 in words is "two million, two hundred fifty-six thousand, one hundred ninety-eight".