2281318 has 8 divisors (see below), whose sum is σ = 3685248. Its totient is φ = 1052904.

The previous prime is 2281313. The next prime is 2281327. The reversal of 2281318 is 8131822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2281292 and 2281301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281313) 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, 43846 + ... + 43897.

It is an arithmetic number, because the mean of its divisors is an integer number (460656).

2^2281318 is an apocalyptic number.

2281318 is a deficient number, since it is larger than the sum of its proper divisors (1403930).

2281318 is a wasteful number, since it uses less digits than its factorization.

2281318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87758.

The product of its digits is 768, while the sum is 25.

The square root of 2281318 is about 1510.4032574117. The cubic root of 2281318 is about 131.6422436852.

The spelling of 2281318 in words is "two million, two hundred eighty-one thousand, three hundred eighteen".