22223565849 has 4 divisors (see below), whose sum is σ = 29631421136. Its totient is φ = 14815710564.

The previous prime is 22223565841. The next prime is 22223565893. The reversal of 22223565849 is 94856532222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22223565849 - 2³ = 22223565841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22223565798 and 22223565807.

It is not an unprimeable number, because it can be changed into a prime (22223565841) 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, 3703927639 + ... + 3703927644.

It is an arithmetic number, because the mean of its divisors is an integer number (7407855284).

Almost surely, 2^22223565849 is an apocalyptic number.

It is an amenable number.

22223565849 is a deficient number, since it is larger than the sum of its proper divisors (7407855287).

22223565849 is an equidigital number, since it uses as much as digits as its factorization.

22223565849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407855286.

The product of its digits is 2073600, while the sum is 48.

The spelling of 22223565849 in words is "twenty-two billion, two hundred twenty-three million, five hundred sixty-five thousand, eight hundred forty-nine".