2232507157 has 2 divisors, whose sum is σ = 2232507158. Its totient is φ = 2232507156.

The previous prime is 2232507119. The next prime is 2232507209. The reversal of 2232507157 is 7517052322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1597920676 + 634586481 = 39974^2 + 25191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232507157 - 2¹¹ = 2232505109 is a prime.

It is a super-3 number, since 3×2232507157³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232507107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116253578 + 1116253579.

It is an arithmetic number, because the mean of its divisors is an integer number (1116253579).

Almost surely, 2^2232507157 is an apocalyptic number.

It is an amenable number.

2232507157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232507157 is an equidigital number, since it uses as much as digits as its factorization.

2232507157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 2232507157 is about 47249.4143561590. The cubic root of 2232507157 is about 1306.9659904118.

Adding to 2232507157 its reverse (7517052322), we get a palindrome (9749559479).

The spelling of 2232507157 in words is "two billion, two hundred thirty-two million, five hundred seven thousand, one hundred fifty-seven".