22209045769 has 8 divisors (see below), whose sum is σ = 23616389160. Its totient is φ = 20812916736.

The previous prime is 22209045757. The next prime is 22209045779. The reversal of 22209045769 is 96754090222.

It can be written as a sum of positive squares in 4 ways, for example, as 9535744 + 22199510025 = 3088^2 + 148995^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22209045769 - 2¹⁹ = 22208521481 is a prime.

It is a super-2 number, since 2×22209045769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22209045739) 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, 2799504 + ... + 2807425.

It is an arithmetic number, because the mean of its divisors is an integer number (2952048645).

Almost surely, 2^22209045769 is an apocalyptic number.

It is an amenable number.

22209045769 is a deficient number, since it is larger than the sum of its proper divisors (1407343391).

22209045769 is a wasteful number, since it uses less digits than its factorization.

22209045769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607179.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 22209045769 in words is "twenty-two billion, two hundred nine million, forty-five thousand, seven hundred sixty-nine".