22540803 has 4 divisors (see below), whose sum is σ = 30054408. Its totient is φ = 15027200.

The previous prime is 22540799. The next prime is 22540811. The reversal of 22540803 is 30804522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22540803 - 2² = 22540799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22540823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3756798 + ... + 3756803.

It is an arithmetic number, because the mean of its divisors is an integer number (7513602).

Almost surely, 2^22540803 is an apocalyptic number.

22540803 is a deficient number, since it is larger than the sum of its proper divisors (7513605).

22540803 is an equidigital number, since it uses as much as digits as its factorization.

22540803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513604.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22540803 is about 4747.7155559279. The cubic root of 22540803 is about 282.4813593569.

The spelling of 22540803 in words is "twenty-two million, five hundred forty thousand, eight hundred three".