2281423 has 4 divisors (see below), whose sum is σ = 2284480. Its totient is φ = 2278368.

The previous prime is 2281403. The next prime is 2281429. The reversal of 2281423 is 3241822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2281423 - 2⁹ = 2280911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2281394 and 2281403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281429) 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, 418 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (571120).

2^2281423 is an apocalyptic number.

2281423 is a deficient number, since it is larger than the sum of its proper divisors (3057).

2281423 is a wasteful number, since it uses less digits than its factorization.

2281423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its digits is 768, while the sum is 22.

The square root of 2281423 is about 1510.4380159411. The cubic root of 2281423 is about 131.6442633107.

It can be divided in two parts, 2281 and 423, that added together give a square (2704 = 52²).

The spelling of 2281423 in words is "two million, two hundred eighty-one thousand, four hundred twenty-three".