2261231 has 8 divisors (see below), whose sum is σ = 2609280. Its totient is φ = 1919448.

The previous prime is 2261227. The next prime is 2261267. The reversal of 2261231 is 1321622.

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 2261231 - 2² = 2261227 is a prime.

It is a super-2 number, since 2×2261231² = 10226331270722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261131) 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, 761 + ... + 2258.

It is an arithmetic number, because the mean of its divisors is an integer number (326160).

2^2261231 is an apocalyptic number.

2261231 is a deficient number, since it is larger than the sum of its proper divisors (348049).

2261231 is a wasteful number, since it uses less digits than its factorization.

2261231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its digits is 144, while the sum is 17.

The square root of 2261231 is about 1503.7390066099. The cubic root of 2261231 is about 131.2547342208.

Adding to 2261231 its reverse (1321622), we get a palindrome (3582853).

The spelling of 2261231 in words is "two million, two hundred sixty-one thousand, two hundred thirty-one".