2223665233 has 4 divisors (see below), whose sum is σ = 2226838068. Its totient is φ = 2220492400.

The previous prime is 2223665177. The next prime is 2223665293. The reversal of 2223665233 is 3325663222.

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 1309933249 + 913731984 = 36193^2 + 30228^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223665233 - 2²¹ = 2221568081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223665293) by changing a digit.

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, 1585366 + ... + 1586767.

It is an arithmetic number, because the mean of its divisors is an integer number (556709517).

Almost surely, 2^2223665233 is an apocalyptic number.

It is an amenable number.

2223665233 is a deficient number, since it is larger than the sum of its proper divisors (3172835).

2223665233 is an equidigital number, since it uses as much as digits as its factorization.

2223665233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172834.

The product of its digits is 77760, while the sum is 34.

The square root of 2223665233 is about 47155.7550358384. The cubic root of 2223665233 is about 1305.2382790828.

The spelling of 2223665233 in words is "two billion, two hundred twenty-three million, six hundred sixty-five thousand, two hundred thirty-three".