22561453120 has 28 divisors (see below), whose sum is σ = 53724461004. Its totient is φ = 9024581120.

The previous prime is 22561453091. The next prime is 22561453121. The reversal of 22561453120 is 2135416522.

It can be written as a sum of positive squares in 2 ways, for example, as 4223960064 + 18337493056 = 64992^2 + 135416^2 .

It is not an unprimeable number, because it can be changed into a prime (22561453121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35251951 + ... + 35252590.

Almost surely, 2^22561453120 is an apocalyptic number.

22561453120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22561453120 is an abundant number, since it is smaller than the sum of its proper divisors (31163007884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22561453120 is an equidigital number, since it uses as much as digits as its factorization.

22561453120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70504558 (or 70504548 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 22561453120 its reverse (2135416522), we get a palindrome (24696869642).

The spelling of 22561453120 in words is "twenty-two billion, five hundred sixty-one million, four hundred fifty-three thousand, one hundred twenty".