2243303506 has 4 divisors (see below), whose sum is σ = 3364955262. Its totient is φ = 1121651752.

The previous prime is 2243303443. The next prime is 2243303509. The reversal of 2243303506 is 6053033422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1815186025 + 428117481 = 42605^2 + 20691^2 .

It is not an unprimeable number, because it can be changed into a prime (2243303509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560825875 + ... + 560825878.

Almost surely, 2^2243303506 is an apocalyptic number.

2243303506 is a deficient number, since it is larger than the sum of its proper divisors (1121651756).

2243303506 is a wasteful number, since it uses less digits than its factorization.

2243303506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121651755.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 2243303506 is about 47363.5250588467. The cubic root of 2243303506 is about 1309.0694216576.

Adding to 2243303506 its reverse (6053033422), we get a palindrome (8296336928).

The spelling of 2243303506 in words is "two billion, two hundred forty-three million, three hundred three thousand, five hundred six".