22643256373 has 8 divisors (see below), whose sum is σ = 22855854560. Its totient is φ = 22430746800.

The previous prime is 22643256359. The next prime is 22643256431. The reversal of 22643256373 is 37365234622.

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 22643256373 - 2⁵ = 22643256341 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 (22643256323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563398 + ... + 602248.

It is an arithmetic number, because the mean of its divisors is an integer number (2856981820).

Almost surely, 2^22643256373 is an apocalyptic number.

It is an amenable number.

22643256373 is a deficient number, since it is larger than the sum of its proper divisors (212598187).

22643256373 is a wasteful number, since it uses less digits than its factorization.

22643256373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44307.

The product of its digits is 1088640, while the sum is 43.

The spelling of 22643256373 in words is "twenty-two billion, six hundred forty-three million, two hundred fifty-six thousand, three hundred seventy-three".