2230581 has 8 divisors (see below), whose sum is σ = 3130720. Its totient is φ = 1408752.

The previous prime is 2230577. The next prime is 2230583. The reversal of 2230581 is 1850322.

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

It is not a de Polignac number, because 2230581 - 2² = 2230577 is a prime.

It is a super-2 number, since 2×2230581² = 9950983195122, 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 (2230583) 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, 19510 + ... + 19623.

It is an arithmetic number, because the mean of its divisors is an integer number (391340).

2^2230581 is an apocalyptic number.

It is an amenable number.

2230581 is a deficient number, since it is larger than the sum of its proper divisors (900139).

2230581 is a wasteful number, since it uses less digits than its factorization.

2230581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39155.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2230581 is about 1493.5129728261. The cubic root of 2230581 is about 130.6590008634.

It can be divided in two parts, 22 and 30581, that added together give a palindrome (30603).

The spelling of 2230581 in words is "two million, two hundred thirty thousand, five hundred eighty-one".