2232581 has 8 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 2048112.

The previous prime is 2232569. The next prime is 2232583. The reversal of 2232581 is 1852322.

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 2232581 - 2¹⁴ = 2216197 is a prime.

It is a super-3 number, since 3×2232581³ = 33384350243209736823, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232583) 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, 2156 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

2^2232581 is an apocalyptic number.

2232581 is the 863-rd octagonal number.

It is an amenable number.

2232581 is a deficient number, since it is larger than the sum of its proper divisors (186619).

2232581 is a wasteful number, since it uses less digits than its factorization.

2232581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075.

The product of its digits is 960, while the sum is 23.

The square root of 2232581 is about 1494.1823851190. The cubic root of 2232581 is about 130.6980400104.

The spelling of 2232581 in words is "two million, two hundred thirty-two thousand, five hundred eighty-one".