22745458897 has 8 divisors (see below), whose sum is σ = 25997334656. Its totient is φ = 19494214272.

The previous prime is 22745458891. The next prime is 22745458903. The reversal of 22745458897 is 79885454722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22745458891) and next prime (22745458903).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22745458897 - 2³ = 22745458889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22745458891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77853 + ... + 227050.

It is an arithmetic number, because the mean of its divisors is an integer number (3249666832).

Almost surely, 2^22745458897 is an apocalyptic number.

It is an amenable number.

22745458897 is a deficient number, since it is larger than the sum of its proper divisors (3251875759).

22745458897 is a wasteful number, since it uses less digits than its factorization.

22745458897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315567.

The product of its digits is 45158400, while the sum is 61.

The spelling of 22745458897 in words is "twenty-two billion, seven hundred forty-five million, four hundred fifty-eight thousand, eight hundred ninety-seven".