22396864543 has 4 divisors (see below), whose sum is σ = 22407269328. Its totient is φ = 22386459760.

The previous prime is 22396864541. The next prime is 22396864571. The reversal of 22396864543 is 34546869322.

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 22396864543 - 2¹ = 22396864541 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 (22396864541) 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, 5199163 + ... + 5203468.

It is an arithmetic number, because the mean of its divisors is an integer number (5601817332).

Almost surely, 2^22396864543 is an apocalyptic number.

22396864543 is a deficient number, since it is larger than the sum of its proper divisors (10404785).

22396864543 is a wasteful number, since it uses less digits than its factorization.

22396864543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10404784.

The product of its digits is 7464960, while the sum is 52.

The spelling of 22396864543 in words is "twenty-two billion, three hundred ninety-six million, eight hundred sixty-four thousand, five hundred forty-three".