2236281 has 8 divisors (see below), whose sum is σ = 3138720. Its totient is φ = 1412352.

The previous prime is 2236279. The next prime is 2236327. The reversal of 2236281 is 1826322.

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

It is not a de Polignac number, because 2236281 - 2¹ = 2236279 is a prime.

It is a super-2 number, since 2×2236281² = 10001905421922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2236261) 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, 19560 + ... + 19673.

It is an arithmetic number, because the mean of its divisors is an integer number (392340).

2^2236281 is an apocalyptic number.

It is an amenable number.

2236281 is a deficient number, since it is larger than the sum of its proper divisors (902439).

2236281 is a wasteful number, since it uses less digits than its factorization.

2236281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39255.

The product of its digits is 1152, while the sum is 24.

The square root of 2236281 is about 1495.4200078908. The cubic root of 2236281 is about 130.7702010131.

The spelling of 2236281 in words is "two million, two hundred thirty-six thousand, two hundred eighty-one".