2281189 has 2 divisors, whose sum is σ = 2281190. Its totient is φ = 2281188.

The previous prime is 2281183. The next prime is 2281207. The reversal of 2281189 is 9811822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 1089 = 1510^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281189 - 2⁷ = 2281061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2281189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140594 + 1140595.

It is an arithmetic number, because the mean of its divisors is an integer number (1140595).

2^2281189 is an apocalyptic number.

It is an amenable number.

2281189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281189 is an equidigital number, since it uses as much as digits as its factorization.

2281189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 31.

The square root of 2281189 is about 1510.3605529806. The cubic root of 2281189 is about 131.6397623463.

The spelling of 2281189 in words is "two million, two hundred eighty-one thousand, one hundred eighty-nine".