2281126 has 4 divisors (see below), whose sum is σ = 3421692. Its totient is φ = 1140562.

The previous prime is 2281109. The next prime is 2281127. The reversal of 2281126 is 6211822.

2281126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2281097 and 2281106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570280 + ... + 570283.

It is an arithmetic number, because the mean of its divisors is an integer number (855423).

2^2281126 is an apocalyptic number.

2281126 is a deficient number, since it is larger than the sum of its proper divisors (1140566).

2281126 is a wasteful number, since it uses less digits than its factorization.

2281126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140565.

The product of its digits is 384, while the sum is 22.

The square root of 2281126 is about 1510.3396968894. The cubic root of 2281126 is about 131.6385504956.

Adding to 2281126 its reverse (6211822), we get a palindrome (8492948).

The spelling of 2281126 in words is "two million, two hundred eighty-one thousand, one hundred twenty-six".