2382281 has 4 divisors (see below), whose sum is σ = 2598864. Its totient is φ = 2165700.

The previous prime is 2382269. The next prime is 2382283. The reversal of 2382281 is 1822832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2382281 - 2⁶ = 2382217 is a prime.

It is a super-2 number, since 2×2382281² = 11350525525922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2382281.

It is not an unprimeable number, because it can be changed into a prime (2382283) 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, 108275 + ... + 108296.

It is an arithmetic number, because the mean of its divisors is an integer number (649716).

2^2382281 is an apocalyptic number.

It is an amenable number.

2382281 is a deficient number, since it is larger than the sum of its proper divisors (216583).

2382281 is a wasteful number, since it uses less digits than its factorization.

2382281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216582.

The product of its digits is 1536, while the sum is 26.

The square root of 2382281 is about 1543.4639613545. The cubic root of 2382281 is about 133.5562846265.

It can be divided in two parts, 2 and 382281, that added together give a palindrome (382283).

The spelling of 2382281 in words is "two million, three hundred eighty-two thousand, two hundred eighty-one".