2243504728 has 16 divisors (see below), whose sum is σ = 4351626000. Its totient is φ = 1083071136.

The previous prime is 2243504719. The next prime is 2243504737. The reversal of 2243504728 is 8274053422.

It is an interprime number because it is at equal distance from previous prime (2243504719) and next prime (2243504737).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4834908 + ... + 4835371.

It is an arithmetic number, because the mean of its divisors is an integer number (271976625).

Almost surely, 2^2243504728 is an apocalyptic number.

It is an amenable number.

2243504728 is a deficient number, since it is larger than the sum of its proper divisors (2108121272).

2243504728 is a wasteful number, since it uses less digits than its factorization.

2243504728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670314 (or 9670310 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 2243504728 is about 47365.6492407736. The cubic root of 2243504728 is about 1309.1085612110.

The spelling of 2243504728 in words is "two billion, two hundred forty-three million, five hundred four thousand, seven hundred twenty-eight".