2243550043 has 4 divisors (see below), whose sum is σ = 2564057200. Its totient is φ = 1923042888.

The previous prime is 2243550031. The next prime is 2243550059. The reversal of 2243550043 is 3400553422.

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

It is a cyclic number.

It is not a de Polignac number, because 2243550043 - 2⁹ = 2243549531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243549993 and 2243550020.

It is not an unprimeable number, because it can be changed into a prime (2243550013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160253568 + ... + 160253581.

It is an arithmetic number, because the mean of its divisors is an integer number (641014300).

Almost surely, 2^2243550043 is an apocalyptic number.

2243550043 is a deficient number, since it is larger than the sum of its proper divisors (320507157).

2243550043 is an equidigital number, since it uses as much as digits as its factorization.

2243550043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320507156.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2243550043 is about 47366.1275913495. The cubic root of 2243550043 is about 1309.1173750777.

The spelling of 2243550043 in words is "two billion, two hundred forty-three million, five hundred fifty thousand, forty-three".