22209492443 has 4 divisors (see below), whose sum is σ = 22975337040. Its totient is φ = 21443647848.

The previous prime is 22209492439. The next prime is 22209492457. The reversal of 22209492443 is 34429490222.

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 22209492443 - 2² = 22209492439 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 22209492443.

It is not an unprimeable number, because it can be changed into a prime (22209492413) 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, 382922255 + ... + 382922312.

It is an arithmetic number, because the mean of its divisors is an integer number (5743834260).

Almost surely, 2^22209492443 is an apocalyptic number.

22209492443 is a deficient number, since it is larger than the sum of its proper divisors (765844597).

22209492443 is an equidigital number, since it uses as much as digits as its factorization.

22209492443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765844596.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 22209492443 in words is "twenty-two billion, two hundred nine million, four hundred ninety-two thousand, four hundred forty-three".