2243548473 has 4 divisors (see below), whose sum is σ = 2991397968. Its totient is φ = 1495698980.

The previous prime is 2243548471. The next prime is 2243548477. The reversal of 2243548473 is 3748453422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2243548473 - 2¹ = 2243548471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243548471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373924743 + ... + 373924748.

It is an arithmetic number, because the mean of its divisors is an integer number (747849492).

Almost surely, 2^2243548473 is an apocalyptic number.

It is an amenable number.

2243548473 is a deficient number, since it is larger than the sum of its proper divisors (747849495).

2243548473 is an equidigital number, since it uses as much as digits as its factorization.

2243548473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747849494.

The product of its digits is 645120, while the sum is 42.

The square root of 2243548473 is about 47366.1110183219. Note that the first 3 decimals coincide. The cubic root of 2243548473 is about 1309.1170697112.

It can be divided in two parts, 2243548 and 473, that added together give a triangular number (2244021 = T₂₁₁₈).

The spelling of 2243548473 in words is "two billion, two hundred forty-three million, five hundred forty-eight thousand, four hundred seventy-three".