22513523041 has 4 divisors (see below), whose sum is σ = 22513987012. Its totient is φ = 22513059072.

The previous prime is 22513523033. The next prime is 22513523051. The reversal of 22513523041 is 14032531522.

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 9852547600 + 12660975441 = 99260^2 + 112521^2 .

It is a cyclic number.

It is not a de Polignac number, because 22513523041 - 2³ = 22513523033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22513523051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149400 + ... + 259513.

It is an arithmetic number, because the mean of its divisors is an integer number (5628496753).

Almost surely, 2^22513523041 is an apocalyptic number.

It is an amenable number.

22513523041 is a deficient number, since it is larger than the sum of its proper divisors (463971).

22513523041 is an equidigital number, since it uses as much as digits as its factorization.

22513523041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463970.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 22513523041 in words is "twenty-two billion, five hundred thirteen million, five hundred twenty-three thousand, forty-one".