22551404203 has 2 divisors, whose sum is σ = 22551404204. Its totient is φ = 22551404202.

The previous prime is 22551404177. The next prime is 22551404219. The reversal of 22551404203 is 30240415522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22551404203 is a prime.

It is not a weakly prime, because it can be changed into another prime (22551404263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275702101 + 11275702102.

It is an arithmetic number, because the mean of its divisors is an integer number (11275702102).

Almost surely, 2^22551404203 is an apocalyptic number.

22551404203 is a deficient number, since it is larger than the sum of its proper divisors (1).

22551404203 is an equidigital number, since it uses as much as digits as its factorization.

22551404203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 22551404203 its reverse (30240415522), we get a palindrome (52791819725).

The spelling of 22551404203 in words is "twenty-two billion, five hundred fifty-one million, four hundred four thousand, two hundred three".