22533520507 has 2 divisors, whose sum is σ = 22533520508. Its totient is φ = 22533520506.

The previous prime is 22533520489. The next prime is 22533520511. The reversal of 22533520507 is 70502533522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22533520507 - 2⁷ = 22533520379 is a prime.

It is not a weakly prime, because it can be changed into another prime (22533520547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11266760253 + 11266760254.

It is an arithmetic number, because the mean of its divisors is an integer number (11266760254).

Almost surely, 2^22533520507 is an apocalyptic number.

22533520507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22533520507 is an equidigital number, since it uses as much as digits as its factorization.

22533520507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 34.

The spelling of 22533520507 in words is "twenty-two billion, five hundred thirty-three million, five hundred twenty thousand, five hundred seven".