2243549994 has 16 divisors (see below), whose sum is σ = 5128114368. Its totient is φ = 641014272.

The previous prime is 2243549969. The next prime is 2243550013. The reversal of 2243549994 is 4999453422.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26708887 + ... + 26708970.

It is an arithmetic number, because the mean of its divisors is an integer number (320507148).

Almost surely, 2^2243549994 is an apocalyptic number.

2243549994 is an abundant number, since it is smaller than the sum of its proper divisors (2884564374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243549994 is a wasteful number, since it uses less digits than its factorization.

2243549994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53417869.

The product of its digits is 2799360, while the sum is 51.

The square root of 2243549994 is about 47366.1270741022. The cubic root of 2243549994 is about 1309.1173655471.

The spelling of 2243549994 in words is "two billion, two hundred forty-three million, five hundred forty-nine thousand, nine hundred ninety-four".