22447899242495 has 4 divisors (see below), whose sum is σ = 26937479091000. Its totient is φ = 17958319393992.

The previous prime is 22447899242471. The next prime is 22447899242539. The reversal of 22447899242495 is 59424299874422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22447899242495 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244789924245 + ... + 2244789924254.

It is an arithmetic number, because the mean of its divisors is an integer number (6734369772750).

Almost surely, 2^{22447899242495} is an apocalyptic number.

22447899242495 is a deficient number, since it is larger than the sum of its proper divisors (4489579848505).

22447899242495 is an equidigital number, since it uses as much as digits as its factorization.

22447899242495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489579848504.

The product of its digits is 836075520, while the sum is 71.

The spelling of 22447899242495 in words is "twenty-two trillion, four hundred forty-seven billion, eight hundred ninety-nine million, two hundred forty-two thousand, four hundred ninety-five".