22234567789 has 4 divisors (see below), whose sum is σ = 25410934624. Its totient is φ = 19058200956.

The previous prime is 22234567787. The next prime is 22234567819. The reversal of 22234567789 is 98776543222.

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 a cyclic number.

It is not a de Polignac number, because 22234567789 - 2¹ = 22234567787 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 (22234567783) 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, 1588183407 + ... + 1588183420.

It is an arithmetic number, because the mean of its divisors is an integer number (6352733656).

Almost surely, 2^22234567789 is an apocalyptic number.

It is an amenable number.

22234567789 is a deficient number, since it is larger than the sum of its proper divisors (3176366835).

22234567789 is an equidigital number, since it uses as much as digits as its factorization.

22234567789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176366834.

The product of its digits is 10160640, while the sum is 55.

It can be divided in two parts, 2223456778 and 9, that multiplied together give a palindrome (20011111002).

The spelling of 22234567789 in words is "twenty-two billion, two hundred thirty-four million, five hundred sixty-seven thousand, seven hundred eighty-nine".