22393910947 has 4 divisors (see below), whose sum is σ = 22555018360. Its totient is φ = 22232803536.

The previous prime is 22393910941. The next prime is 22393910951. The reversal of 22393910947 is 74901939322.

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-22393910947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22393910947.

It is not an unprimeable number, because it can be changed into a prime (22393910941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80553498 + ... + 80553775.

It is an arithmetic number, because the mean of its divisors is an integer number (5638754590).

Almost surely, 2^22393910947 is an apocalyptic number.

22393910947 is a deficient number, since it is larger than the sum of its proper divisors (161107413).

22393910947 is a wasteful number, since it uses less digits than its factorization.

22393910947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161107412.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 22393910947 in words is "twenty-two billion, three hundred ninety-three million, nine hundred ten thousand, nine hundred forty-seven".