22540443325 has 24 divisors (see below), whose sum is σ = 30106215936. Its totient is φ = 16691928000.

The previous prime is 22540443319. The next prime is 22540443377. The reversal of 22540443325 is 52334404522.

It is not a de Polignac number, because 22540443325 - 2⁷ = 22540443197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 614446 + ... + 650095.

It is an arithmetic number, because the mean of its divisors is an integer number (1254425664).

Almost surely, 2^22540443325 is an apocalyptic number.

22540443325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22540443325 is a deficient number, since it is larger than the sum of its proper divisors (7565772611).

22540443325 is a wasteful number, since it uses less digits than its factorization.

22540443325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264605 (or 1264600 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 22540443325 its reverse (52334404522), we get a palindrome (74874847847).

The spelling of 22540443325 in words is "twenty-two billion, five hundred forty million, four hundred forty-three thousand, three hundred twenty-five".