22530305203 has 32 divisors (see below), whose sum is σ = 27691328000. Its totient is φ = 18272767968.

The previous prime is 22530305191. The next prime is 22530305251. The reversal of 22530305203 is 30250303522.

It is not a de Polignac number, because 22530305203 - 2⁹ = 22530304691 is a prime.

It is a super-2 number, since 2×22530305203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22530365203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7121500 + ... + 7124662.

It is an arithmetic number, because the mean of its divisors is an integer number (865354000).

Almost surely, 2^22530305203 is an apocalyptic number.

22530305203 is a deficient number, since it is larger than the sum of its proper divisors (5161022797).

22530305203 is a wasteful number, since it uses less digits than its factorization.

22530305203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296 (or 4282 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 25.

Adding to 22530305203 its reverse (30250303522), we get a palindrome (52780608725).

The spelling of 22530305203 in words is "twenty-two billion, five hundred thirty million, three hundred five thousand, two hundred three".