2243430433 has 2 divisors, whose sum is σ = 2243430434. Its totient is φ = 2243430432.

The previous prime is 2243430421. The next prime is 2243430463. The reversal of 2243430433 is 3340343422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1456796224 + 786634209 = 38168^2 + 28047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243430433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243430463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121715216 + 1121715217.

It is an arithmetic number, because the mean of its divisors is an integer number (1121715217).

Almost surely, 2^2243430433 is an apocalyptic number.

It is an amenable number.

2243430433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243430433 is an equidigital number, since it uses as much as digits as its factorization.

2243430433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 28.

The square root of 2243430433 is about 47364.8649633882. The cubic root of 2243430433 is about 1309.0941104140.

Adding to 2243430433 its reverse (3340343422), we get a palindrome (5583773855).

The spelling of 2243430433 in words is "two billion, two hundred forty-three million, four hundred thirty thousand, four hundred thirty-three".