22669084549 has 4 divisors (see below), whose sum is σ = 22697528364. Its totient is φ = 22640640736.

The previous prime is 22669084531. The next prime is 22669084573. The reversal of 22669084549 is 94548096622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16539760449 + 6129324100 = 128607^2 + 78290^2 .

It is a cyclic number.

It is not a de Polignac number, because 22669084549 - 2¹³ = 22669076357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22669084549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22669082549) 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, 14220712 + ... + 14222305.

It is an arithmetic number, because the mean of its divisors is an integer number (5674382091).

Almost surely, 2^22669084549 is an apocalyptic number.

It is an amenable number.

22669084549 is a deficient number, since it is larger than the sum of its proper divisors (28443815).

22669084549 is an equidigital number, since it uses as much as digits as its factorization.

22669084549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28443814.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 22669084549 in words is "twenty-two billion, six hundred sixty-nine million, eighty-four thousand, five hundred forty-nine".