2238051157 has 2 divisors, whose sum is σ = 2238051158. Its totient is φ = 2238051156.

The previous prime is 2238051149. The next prime is 2238051163. The reversal of 2238051157 is 7511508322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1862699281 + 375351876 = 43159^2 + 19374^2 .

It is a cyclic number.

It is not a de Polignac number, because 2238051157 - 2³ = 2238051149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2238051187) 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 as a sum of consecutive naturals, namely, 1119025578 + 1119025579.

It is an arithmetic number, because the mean of its divisors is an integer number (1119025579).

Almost surely, 2^2238051157 is an apocalyptic number.

It is an amenable number.

2238051157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238051157 is an equidigital number, since it uses as much as digits as its factorization.

2238051157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 2238051157 is about 47308.0453728539. The cubic root of 2238051157 is about 1308.0469619143.

Adding to 2238051157 its reverse (7511508322), we get a palindrome (9749559479).

It can be divided in two parts, 22380 and 51157, that added together give a palindrome (73537).

The spelling of 2238051157 in words is "two billion, two hundred thirty-eight million, fifty-one thousand, one hundred fifty-seven".