22224667789 has 4 divisors (see below), whose sum is σ = 22825334524. Its totient is φ = 21624001056.

The previous prime is 22224667771. The next prime is 22224667819. The reversal of 22224667789 is 98776642222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98776642222 = 2 ⋅49388321111.

It can be written as a sum of positive squares in 2 ways, for example, as 12801112164 + 9423555625 = 113142^2 + 97075^2 .

It is a cyclic number.

It is not a de Polignac number, because 22224667789 - 2²³ = 22216279181 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224647789) 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, 300333312 + ... + 300333385.

It is an arithmetic number, because the mean of its divisors is an integer number (5706333631).

Almost surely, 2^22224667789 is an apocalyptic number.

It is an amenable number.

22224667789 is a deficient number, since it is larger than the sum of its proper divisors (600666735).

22224667789 is an equidigital number, since it uses as much as digits as its factorization.

22224667789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600666734.

The product of its digits is 8128512, while the sum is 55.

The spelling of 22224667789 in words is "twenty-two billion, two hundred twenty-four million, six hundred sixty-seven thousand, seven hundred eighty-nine".