22540441445 has 8 divisors (see below), whose sum is σ = 27327381144. Its totient is φ = 17846452224.

The previous prime is 22540441381. The next prime is 22540441481. The reversal of 22540441445 is 54414404522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 975812644 + 21564628801 = 31238^2 + 146849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22540441445 - 2⁶ = 22540441381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23237084 + ... + 23238053.

It is an arithmetic number, because the mean of its divisors is an integer number (3415922643).

Almost surely, 2^22540441445 is an apocalyptic number.

It is an amenable number.

22540441445 is a deficient number, since it is larger than the sum of its proper divisors (4786939699).

22540441445 is an equidigital number, since it uses as much as digits as its factorization.

22540441445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46475239.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 22540441445 its reverse (54414404522), we get a palindrome (76954845967).

The spelling of 22540441445 in words is "twenty-two billion, five hundred forty million, four hundred forty-one thousand, four hundred forty-five".