22532145161 has 4 divisors (see below), whose sum is σ = 22535121024. Its totient is φ = 22529169300.

The previous prime is 22532145157. The next prime is 22532145203. The reversal of 22532145161 is 16154123522.

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 22532145161 - 2² = 22532145157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22532105161) 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 in 3 ways as a sum of consecutive naturals, for example, 1476545 + ... + 1491726.

It is an arithmetic number, because the mean of its divisors is an integer number (5633780256).

Almost surely, 2^22532145161 is an apocalyptic number.

It is an amenable number.

22532145161 is a deficient number, since it is larger than the sum of its proper divisors (2975863).

22532145161 is an equidigital number, since it uses as much as digits as its factorization.

22532145161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975862.

The product of its digits is 14400, while the sum is 32.

Adding to 22532145161 its reverse (16154123522), we get a palindrome (38686268683).

The spelling of 22532145161 in words is "twenty-two billion, five hundred thirty-two million, one hundred forty-five thousand, one hundred sixty-one".