22905244465 has 4 divisors (see below), whose sum is σ = 27486293364. Its totient is φ = 18324195568.

The previous prime is 22905244463. The next prime is 22905244501. The reversal of 22905244465 is 56444250922.

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 10363036401 + 12542208064 = 101799^2 + 111992^2 .

It is a cyclic number.

It is not a de Polignac number, because 22905244465 - 2¹ = 22905244463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22905244463) 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, 2290524442 + ... + 2290524451.

It is an arithmetic number, because the mean of its divisors is an integer number (6871573341).

Almost surely, 2^22905244465 is an apocalyptic number.

It is an amenable number.

22905244465 is a deficient number, since it is larger than the sum of its proper divisors (4581048899).

22905244465 is an equidigital number, since it uses as much as digits as its factorization.

22905244465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581048898.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 22905244465 in words is "twenty-two billion, nine hundred five million, two hundred forty-four thousand, four hundred sixty-five".