22664699488471 has 2 divisors, whose sum is σ = 22664699488472. Its totient is φ = 22664699488470.

The previous prime is 22664699488469. The next prime is 22664699488511. The reversal of 22664699488471 is 17488499646622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22664699488471 - 2¹ = 22664699488469 is a prime.

It is a super-3 number, since 3×22664699488471³ (a number of 41 digits) contains 333 as substring.

Together with 22664699488469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22664699188471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332349744235 + 11332349744236.

It is an arithmetic number, because the mean of its divisors is an integer number (11332349744236).

Almost surely, 2^{22664699488471} is an apocalyptic number.

22664699488471 is a deficient number, since it is larger than the sum of its proper divisors (1).

22664699488471 is an equidigital number, since it uses as much as digits as its factorization.

22664699488471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2006581248, while the sum is 76.

The spelling of 22664699488471 in words is "twenty-two trillion, six hundred sixty-four billion, six hundred ninety-nine million, four hundred eighty-eight thousand, four hundred seventy-one".