2281321 has 8 divisors (see below), whose sum is σ = 2691584. Its totient is φ = 1892160.

The previous prime is 2281313. The next prime is 2281327. The reversal of 2281321 is 1231822.

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

It is a cyclic number.

It is not a de Polignac number, because 2281321 - 2³ = 2281313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2281327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5040 + ... + 5473.

It is an arithmetic number, because the mean of its divisors is an integer number (336448).

2^2281321 is an apocalyptic number.

It is an amenable number.

2281321 is a deficient number, since it is larger than the sum of its proper divisors (410263).

2281321 is a wasteful number, since it uses less digits than its factorization.

2281321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551.

The product of its digits is 192, while the sum is 19.

The square root of 2281321 is about 1510.4042505237. The cubic root of 2281321 is about 131.6423013897.

The spelling of 2281321 in words is "two million, two hundred eighty-one thousand, three hundred twenty-one".