22524130231145 has 4 divisors (see below), whose sum is σ = 27028956277380. Its totient is φ = 18019304184912.

The previous prime is 22524130231087. The next prime is 22524130231231. The reversal of 22524130231145 is 54113203142522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16528160154256 + 5995970076889 = 4065484^2 + 2448667^2 .

It is a cyclic number.

It is not a de Polignac number, because 22524130231145 - 2³⁰ = 22523056489321 is a prime.

It is a super-2 number, since 2×22524130231145² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252413023110 + ... + 2252413023119.

It is an arithmetic number, because the mean of its divisors is an integer number (6757239069345).

Almost surely, 2^{22524130231145} is an apocalyptic number.

It is an amenable number.

22524130231145 is a deficient number, since it is larger than the sum of its proper divisors (4504826046235).

22524130231145 is an equidigital number, since it uses as much as digits as its factorization.

22524130231145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504826046234.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 22524130231145 its reverse (54113203142522), we get a palindrome (76637333373667).

The spelling of 22524130231145 in words is "twenty-two trillion, five hundred twenty-four billion, one hundred thirty million, two hundred thirty-one thousand, one hundred forty-five".