2243030645 has 8 divisors (see below), whose sum is σ = 2696472504. Its totient is φ = 1791200704.

The previous prime is 2243030611. The next prime is 2243030663. The reversal of 2243030645 is 5460303422.

It can be written as a sum of positive squares in 4 ways, for example, as 101747569 + 2141283076 = 10087^2 + 46274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243030645 - 2²⁰ = 2241982069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399914 + ... + 405483.

It is an arithmetic number, because the mean of its divisors is an integer number (337059063).

Almost surely, 2^2243030645 is an apocalyptic number.

It is an amenable number.

2243030645 is a deficient number, since it is larger than the sum of its proper divisors (453441859).

2243030645 is an equidigital number, since it uses as much as digits as its factorization.

2243030645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805959.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2243030645 is about 47360.6444740778. The cubic root of 2243030645 is about 1309.0163439126.

The spelling of 2243030645 in words is "two billion, two hundred forty-three million, thirty thousand, six hundred forty-five".