2243556385 has 48 divisors (see below), whose sum is σ = 3490698240. Its totient is φ = 1371686400.

The previous prime is 2243556349. The next prime is 2243556391. The reversal of 2243556385 is 5836553422.

It is not a de Polignac number, because 2243556385 - 2⁷ = 2243556257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64960 + ... + 93310.

It is an arithmetic number, because the mean of its divisors is an integer number (72722880).

Almost surely, 2^2243556385 is an apocalyptic number.

It is an amenable number.

2243556385 is a deficient number, since it is larger than the sum of its proper divisors (1247141855).

2243556385 is a wasteful number, since it uses less digits than its factorization.

2243556385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28406 (or 28399 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The square root of 2243556385 is about 47366.1945378769. The cubic root of 2243556385 is about 1309.1186086011.

The spelling of 2243556385 in words is "two billion, two hundred forty-three million, five hundred fifty-six thousand, three hundred eighty-five".