22573713647 has 4 divisors (see below), whose sum is σ = 22585297800. Its totient is φ = 22562129496.

The previous prime is 22573713637. The next prime is 22573713649. The reversal of 22573713647 is 74631737522.

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

It is a cyclic number.

It is not a de Polignac number, because 22573713647 - 2⁶ = 22573713583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22573713649) 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, 5789153 + ... + 5793050.

It is an arithmetic number, because the mean of its divisors is an integer number (5646324450).

Almost surely, 2^22573713647 is an apocalyptic number.

22573713647 is a deficient number, since it is larger than the sum of its proper divisors (11584153).

22573713647 is a wasteful number, since it uses less digits than its factorization.

22573713647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11584152.

The product of its digits is 1481760, while the sum is 47.

The spelling of 22573713647 in words is "twenty-two billion, five hundred seventy-three million, seven hundred thirteen thousand, six hundred forty-seven".