22222557789 has 8 divisors (see below), whose sum is σ = 30072317280. Its totient is φ = 14593918416.

The previous prime is 22222557781. The next prime is 22222557803. The reversal of 22222557789 is 98775522222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22222557789 - 2³ = 22222557781 is a prime.

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 (22222557781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55279794 + ... + 55280195.

It is an arithmetic number, because the mean of its divisors is an integer number (3759039660).

Almost surely, 2^22222557789 is an apocalyptic number.

It is an amenable number.

22222557789 is a deficient number, since it is larger than the sum of its proper divisors (7849759491).

22222557789 is a wasteful number, since it uses less digits than its factorization.

22222557789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110560059.

The product of its digits is 2822400, while the sum is 51.

The spelling of 22222557789 in words is "twenty-two billion, two hundred twenty-two million, five hundred fifty-seven thousand, seven hundred eighty-nine".