22505650507 has 2 divisors, whose sum is σ = 22505650508. Its totient is φ = 22505650506.

The previous prime is 22505650501. The next prime is 22505650571. The reversal of 22505650507 is 70505650522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22505650507 is a prime.

It is not a weakly prime, because it can be changed into another prime (22505650501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11252825253 + 11252825254.

It is an arithmetic number, because the mean of its divisors is an integer number (11252825254).

Almost surely, 2^22505650507 is an apocalyptic number.

22505650507 is a deficient number, since it is larger than the sum of its proper divisors (1).

22505650507 is an equidigital number, since it uses as much as digits as its factorization.

22505650507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 22505650507 in words is "twenty-two billion, five hundred five million, six hundred fifty thousand, five hundred seven".