22709424973447 has 2 divisors, whose sum is σ = 22709424973448. Its totient is φ = 22709424973446.

The previous prime is 22709424973343. The next prime is 22709424973471. The reversal of 22709424973447 is 74437942490722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22709424973447 - 2²⁷ = 22709290755719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22709424953447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11354712486723 + 11354712486724.

It is an arithmetic number, because the mean of its divisors is an integer number (11354712486724).

Almost surely, 2^{22709424973447} is an apocalyptic number.

22709424973447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22709424973447 is an equidigital number, since it uses as much as digits as its factorization.

22709424973447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170698752, while the sum is 64.

The spelling of 22709424973447 in words is "twenty-two trillion, seven hundred nine billion, four hundred twenty-four million, nine hundred seventy-three thousand, four hundred forty-seven".