22533520487 has 2 divisors, whose sum is σ = 22533520488. Its totient is φ = 22533520486.

The previous prime is 22533520481. The next prime is 22533520489. The reversal of 22533520487 is 78402533522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22533520487 - 2⁶ = 22533520423 is a prime.

Together with 22533520489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22533520481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11266760243 + 11266760244.

It is an arithmetic number, because the mean of its divisors is an integer number (11266760244).

Almost surely, 2^22533520487 is an apocalyptic number.

22533520487 is a deficient number, since it is larger than the sum of its proper divisors (1).

22533520487 is an equidigital number, since it uses as much as digits as its factorization.

22533520487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 22533520487 in words is "twenty-two billion, five hundred thirty-three million, five hundred twenty thousand, four hundred eighty-seven".