2203224145 has 4 divisors (see below), whose sum is σ = 2643868980. Its totient is φ = 1762579312.

The previous prime is 2203224139. The next prime is 2203224161. The reversal of 2203224145 is 5414223022.

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 1140007696 + 1063216449 = 33764^2 + 32607^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203224145 - 2⁵ = 2203224113 is a prime.

It is a super-2 number, since 2×2203224145² = 9708393266221962050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220322410 + ... + 220322419.

It is an arithmetic number, because the mean of its divisors is an integer number (660967245).

Almost surely, 2^2203224145 is an apocalyptic number.

It is an amenable number.

2203224145 is a deficient number, since it is larger than the sum of its proper divisors (440644835).

2203224145 is an equidigital number, since it uses as much as digits as its factorization.

2203224145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440644834.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2203224145 is about 46938.5145163330. The cubic root of 2203224145 is about 1301.2264845216.

Adding to 2203224145 its reverse (5414223022), we get a palindrome (7617447167).

The spelling of 2203224145 in words is "two billion, two hundred three million, two hundred twenty-four thousand, one hundred forty-five".