2243154517 has 2 divisors, whose sum is σ = 2243154518. Its totient is φ = 2243154516.

The previous prime is 2243154481. The next prime is 2243154523. The reversal of 2243154517 is 7154513422.

2243154517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1284075556 + 959078961 = 35834^2 + 30969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243154517 - 2²³ = 2234765909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243157517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121577258 + 1121577259.

It is an arithmetic number, because the mean of its divisors is an integer number (1121577259).

Almost surely, 2^2243154517 is an apocalyptic number.

It is an amenable number.

2243154517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243154517 is an equidigital number, since it uses as much as digits as its factorization.

2243154517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

The square root of 2243154517 is about 47361.9522084975. The cubic root of 2243154517 is about 1309.0404404013.

Adding to 2243154517 its reverse (7154513422), we get a palindrome (9397667939).

The spelling of 2243154517 in words is "two billion, two hundred forty-three million, one hundred fifty-four thousand, five hundred seventeen".