22523320441 has 2 divisors, whose sum is σ = 22523320442. Its totient is φ = 22523320440.

The previous prime is 22523320427. The next prime is 22523320447. The reversal of 22523320441 is 14402332522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22154834025 + 368486416 = 148845^2 + 19196^2 .

It is a cyclic number.

It is not a de Polignac number, because 22523320441 - 2¹¹ = 22523318393 is a prime.

It is not a weakly prime, because it can be changed into another prime (22523320447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11261660220 + 11261660221.

It is an arithmetic number, because the mean of its divisors is an integer number (11261660221).

Almost surely, 2^22523320441 is an apocalyptic number.

It is an amenable number.

22523320441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22523320441 is an equidigital number, since it uses as much as digits as its factorization.

22523320441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22523320441 its reverse (14402332522), we get a palindrome (36925652963).

The spelling of 22523320441 in words is "twenty-two billion, five hundred twenty-three million, three hundred twenty thousand, four hundred forty-one".