22500230461 has 2 divisors, whose sum is σ = 22500230462. Its totient is φ = 22500230460.

The previous prime is 22500230453. The next prime is 22500230479. The reversal of 22500230461 is 16403200522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16797715236 + 5702515225 = 129606^2 + 75515^2 .

It is a cyclic number.

It is not a de Polignac number, because 22500230461 - 2³ = 22500230453 is a prime.

It is a super-2 number, since 2×22500230461² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22500230491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250115230 + 11250115231.

It is an arithmetic number, because the mean of its divisors is an integer number (11250115231).

Almost surely, 2^22500230461 is an apocalyptic number.

It is an amenable number.

22500230461 is a deficient number, since it is larger than the sum of its proper divisors (1).

22500230461 is an equidigital number, since it uses as much as digits as its factorization.

22500230461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 22500230461 its reverse (16403200522), we get a palindrome (38903430983).

The spelling of 22500230461 in words is "twenty-two billion, five hundred million, two hundred thirty thousand, four hundred sixty-one".