22506688499 has 2 divisors, whose sum is σ = 22506688500. Its totient is φ = 22506688498.

The previous prime is 22506688483. The next prime is 22506688613. The reversal of 22506688499 is 99488660522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22506688499 - 2⁴ = 22506688483 is a prime.

It is not a weakly prime, because it can be changed into another prime (22506688439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11253344249 + 11253344250.

It is an arithmetic number, because the mean of its divisors is an integer number (11253344250).

Almost surely, 2^22506688499 is an apocalyptic number.

22506688499 is a deficient number, since it is larger than the sum of its proper divisors (1).

22506688499 is an equidigital number, since it uses as much as digits as its factorization.

22506688499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 22506688499 in words is "twenty-two billion, five hundred six million, six hundred eighty-eight thousand, four hundred ninety-nine".