2230987 has 4 divisors (see below), whose sum is σ = 2433816. Its totient is φ = 2028160.

The previous prime is 2230979. The next prime is 2231011. The reversal of 2230987 is 7890322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2230987 - 2³ = 2230979 is a prime.

It is a super-3 number, since 3×2230987³ = 33312894825156344409, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2236987) 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, 101398 + ... + 101419.

It is an arithmetic number, because the mean of its divisors is an integer number (608454).

2^2230987 is an apocalyptic number.

2230987 is a deficient number, since it is larger than the sum of its proper divisors (202829).

2230987 is a wasteful number, since it uses less digits than its factorization.

2230987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202828.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2230987 is about 1493.6488877912. The cubic root of 2230987 is about 130.6669276974. Note that the first 3 decimals are identical.

The spelling of 2230987 in words is "two million, two hundred thirty thousand, nine hundred eighty-seven".