22424512553 has 2 divisors, whose sum is σ = 22424512554. Its totient is φ = 22424512552.

The previous prime is 22424512543. The next prime is 22424512589. The reversal of 22424512553 is 35521542422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22328727184 + 95785369 = 149428^2 + 9787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22424512553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22424512543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212256276 + 11212256277.

It is an arithmetic number, because the mean of its divisors is an integer number (11212256277).

Almost surely, 2^22424512553 is an apocalyptic number.

It is an amenable number.

22424512553 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424512553 is an equidigital number, since it uses as much as digits as its factorization.

22424512553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 35.

The spelling of 22424512553 in words is "twenty-two billion, four hundred twenty-four million, five hundred twelve thousand, five hundred fifty-three".