2243184157 has 4 divisors (see below), whose sum is σ = 2243400160. Its totient is φ = 2242968156.

The previous prime is 2243184121. The next prime is 2243184173. The reversal of 2243184157 is 7514813422.

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 2243184157 - 2³¹ = 95700509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243184107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91593 + ... + 113470.

It is an arithmetic number, because the mean of its divisors is an integer number (560850040).

Almost surely, 2^2243184157 is an apocalyptic number.

It is an amenable number.

2243184157 is a deficient number, since it is larger than the sum of its proper divisors (216003).

2243184157 is a wasteful number, since it uses less digits than its factorization.

2243184157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216002.

The product of its digits is 53760, while the sum is 37.

The square root of 2243184157 is about 47362.2651168628. The cubic root of 2243184157 is about 1309.0462060596.

Adding to 2243184157 its reverse (7514813422), we get a palindrome (9757997579).

The spelling of 2243184157 in words is "two billion, two hundred forty-three million, one hundred eighty-four thousand, one hundred fifty-seven".