22503540603 has 4 divisors (see below), whose sum is σ = 30004720808. Its totient is φ = 15002360400.

The previous prime is 22503540599. The next prime is 22503540613. The reversal of 22503540603 is 30604530522.

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

It is not a de Polignac number, because 22503540603 - 2² = 22503540599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22503540613) 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, 3750590098 + ... + 3750590103.

It is an arithmetic number, because the mean of its divisors is an integer number (7501180202).

Almost surely, 2^22503540603 is an apocalyptic number.

22503540603 is a deficient number, since it is larger than the sum of its proper divisors (7501180205).

22503540603 is an equidigital number, since it uses as much as digits as its factorization.

22503540603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501180204.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 22503540603 in words is "twenty-two billion, five hundred three million, five hundred forty thousand, six hundred three".