2230045 has 4 divisors (see below), whose sum is σ = 2676060. Its totient is φ = 1784032.

The previous prime is 2230021. The next prime is 2230051. The reversal of 2230045 is 5400322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1359556 + 870489 = 1166^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230045 - 2⁷ = 2229917 is a prime.

2230045 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223000 + ... + 223009.

It is an arithmetic number, because the mean of its divisors is an integer number (669015).

2^2230045 is an apocalyptic number.

It is an amenable number.

2230045 is a deficient number, since it is larger than the sum of its proper divisors (446015).

2230045 is an equidigital number, since it uses as much as digits as its factorization.

2230045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446014.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2230045 is about 1493.3335193452. Note that the first 3 decimals coincide. The cubic root of 2230045 is about 130.6485344072.

Adding to 2230045 its reverse (5400322), we get a palindrome (7630367).

The spelling of 2230045 in words is "two million, two hundred thirty thousand, forty-five".