2281149 has 32 divisors (see below), whose sum is σ = 3731840. Its totient is φ = 1368576.

The previous prime is 2281127. The next prime is 2281151. The reversal of 2281149 is 9411822.

It is not a de Polignac number, because 2281149 - 2⁹ = 2280637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23469 + ... + 23565.

It is an arithmetic number, because the mean of its divisors is an integer number (116620).

2^2281149 is an apocalyptic number.

It is an amenable number.

2281149 is a deficient number, since it is larger than the sum of its proper divisors (1450691).

2281149 is a wasteful number, since it uses less digits than its factorization.

2281149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 180 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2281149 is about 1510.3473110513. The cubic root of 2281149 is about 131.6389929199.

The spelling of 2281149 in words is "two million, two hundred eighty-one thousand, one hundred forty-nine".