22304353423405 has 4 divisors (see below), whose sum is σ = 26765224108092. Its totient is φ = 17843482738720.

The previous prime is 22304353423399. The next prime is 22304353423453. The reversal of 22304353423405 is 50432435340322.

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 8801065622281 + 13503287801124 = 2966659^2 + 3674682^2 .

It is not a de Polignac number, because 22304353423405 - 2³⁷ = 22166914469933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230435342336 + ... + 2230435342345.

It is an arithmetic number, because the mean of its divisors is an integer number (6691306027023).

Almost surely, 2^{22304353423405} is an apocalyptic number.

It is an amenable number.

22304353423405 is a deficient number, since it is larger than the sum of its proper divisors (4460870684687).

22304353423405 is an equidigital number, since it uses as much as digits as its factorization.

22304353423405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460870684686.

The product of its (nonzero) digits is 1036800, while the sum is 40.

Adding to 22304353423405 its reverse (50432435340322), we get a palindrome (72736788763727).

The spelling of 22304353423405 in words is "twenty-two trillion, three hundred four billion, three hundred fifty-three million, four hundred twenty-three thousand, four hundred five".