22530551045 has 4 divisors (see below), whose sum is σ = 27036661260. Its totient is φ = 18024440832.

The previous prime is 22530551041. The next prime is 22530551053. The reversal of 22530551045 is 54015503522.

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 11637662884 + 10892888161 = 107878^2 + 104369^2 .

It is a cyclic number.

It is not a de Polignac number, because 22530551045 - 2² = 22530551041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530551041) 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, 2253055100 + ... + 2253055109.

It is an arithmetic number, because the mean of its divisors is an integer number (6759165315).

Almost surely, 2^22530551045 is an apocalyptic number.

It is an amenable number.

22530551045 is a deficient number, since it is larger than the sum of its proper divisors (4506110215).

22530551045 is an equidigital number, since it uses as much as digits as its factorization.

22530551045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506110214.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 22530551045 in words is "twenty-two billion, five hundred thirty million, five hundred fifty-one thousand, forty-five".