22532172945 has 32 divisors (see below), whose sum is σ = 36831559680. Its totient is φ = 11757312960.

The previous prime is 22532172917. The next prime is 22532172973. The reversal of 22532172945 is 54927123522.

It is an interprime number because it is at equal distance from previous prime (22532172917) and next prime (22532172973).

It is not a de Polignac number, because 22532172945 - 2³⁰ = 21458431121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22532172897 and 22532172906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3888000 + ... + 3893790.

It is an arithmetic number, because the mean of its divisors is an integer number (1150986240).

Almost surely, 2^22532172945 is an apocalyptic number.

It is an amenable number.

22532172945 is a deficient number, since it is larger than the sum of its proper divisors (14299386735).

22532172945 is a wasteful number, since it uses less digits than its factorization.

22532172945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11365.

The product of its digits is 302400, while the sum is 42.

The spelling of 22532172945 in words is "twenty-two billion, five hundred thirty-two million, one hundred seventy-two thousand, nine hundred forty-five".