22532415509 has 4 divisors (see below), whose sum is σ = 23056425216. Its totient is φ = 22008405804.

The previous prime is 22532415481. The next prime is 22532415527. The reversal of 22532415509 is 90551423522.

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 22532415509 - 2⁸ = 22532415253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532415599) 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, 262004789 + ... + 262004874.

It is an arithmetic number, because the mean of its divisors is an integer number (5764106304).

Almost surely, 2^22532415509 is an apocalyptic number.

It is an amenable number.

22532415509 is a deficient number, since it is larger than the sum of its proper divisors (524009707).

22532415509 is an equidigital number, since it uses as much as digits as its factorization.

22532415509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524009706.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 22532415509 in words is "twenty-two billion, five hundred thirty-two million, four hundred fifteen thousand, five hundred nine".