2228668433 has 4 divisors (see below), whose sum is σ = 2228773440. Its totient is φ = 2228563428.

The previous prime is 2228668427. The next prime is 2228668459. The reversal of 2228668433 is 3348668222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2228668433 - 2⁴ = 2228668417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2228668423) 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, 8213 + ... + 67266.

It is an arithmetic number, because the mean of its divisors is an integer number (557193360).

Almost surely, 2^2228668433 is an apocalyptic number.

It is an amenable number.

2228668433 is a deficient number, since it is larger than the sum of its proper divisors (105007).

2228668433 is an equidigital number, since it uses as much as digits as its factorization.

2228668433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105006.

The product of its digits is 663552, while the sum is 44.

The square root of 2228668433 is about 47208.7749576284. The cubic root of 2228668433 is about 1306.2164653738.

The spelling of 2228668433 in words is "two billion, two hundred twenty-eight million, six hundred sixty-eight thousand, four hundred thirty-three".