2281199 has 4 divisors (see below), whose sum is σ = 2336880. Its totient is φ = 2225520.

The previous prime is 2281189. The next prime is 2281207. The reversal of 2281199 is 9911822.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9911822 = 2 ⋅4955911.

It is a cyclic number.

It is not a de Polignac number, because 2281199 - 2⁴ = 2281183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27779 + ... + 27860.

It is an arithmetic number, because the mean of its divisors is an integer number (584220).

2^2281199 is an apocalyptic number.

2281199 is a deficient number, since it is larger than the sum of its proper divisors (55681).

2281199 is an equidigital number, since it uses as much as digits as its factorization.

2281199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55680.

The product of its digits is 2592, while the sum is 32.

The square root of 2281199 is about 1510.3638634448. The cubic root of 2281199 is about 131.6399547015.

It can be divided in two parts, 228 and 1199, that multiplied together give a palindrome (273372).

The spelling of 2281199 in words is "two million, two hundred eighty-one thousand, one hundred ninety-nine".