22245777789 has 8 divisors (see below), whose sum is σ = 29766593472. Its totient is φ = 14777740320.

The previous prime is 22245777781. The next prime is 22245777857. The reversal of 22245777789 is 98777754222.

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

It is not a de Polignac number, because 22245777789 - 2³ = 22245777781 is a prime.

It is a Curzon 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 (22245777781) 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, 13193569 + ... + 13195254.

It is an arithmetic number, because the mean of its divisors is an integer number (3720824184).

Almost surely, 2^22245777789 is an apocalyptic number.

It is an amenable number.

22245777789 is a deficient number, since it is larger than the sum of its proper divisors (7520815683).

22245777789 is a wasteful number, since it uses less digits than its factorization.

22245777789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26389107.

The product of its digits is 27659520, while the sum is 60.

The spelling of 22245777789 in words is "twenty-two billion, two hundred forty-five million, seven hundred seventy-seven thousand, seven hundred eighty-nine".