22541065225 has 24 divisors (see below), whose sum is σ = 32068268928. Its totient is φ = 15396556800.

The previous prime is 22541065139. The next prime is 22541065229. The reversal of 22541065225 is 52256014522.

It is not a de Polignac number, because 22541065225 - 2⁷ = 22541065097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22541065229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205621 + ... + 295570.

It is an arithmetic number, because the mean of its divisors is an integer number (1336177872).

Almost surely, 2^22541065225 is an apocalyptic number.

22541065225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22541065225 is a deficient number, since it is larger than the sum of its proper divisors (9527203703).

22541065225 is a wasteful number, since it uses less digits than its factorization.

22541065225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501465 (or 501460 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 22541065225 its reverse (52256014522), we get a palindrome (74797079747).

The spelling of 22541065225 in words is "twenty-two billion, five hundred forty-one million, sixty-five thousand, two hundred twenty-five".