22443135104405 has 4 divisors (see below), whose sum is σ = 26931762125292. Its totient is φ = 17954508083520.

The previous prime is 22443135104381. The next prime is 22443135104461. The reversal of 22443135104405 is 50440153134422.

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 8453724885841 + 13989410218564 = 2907529^2 + 3740242^2 .

It is not a de Polignac number, because 22443135104405 - 2¹⁴ = 22443135088021 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, 2244313510436 + ... + 2244313510445.

It is an arithmetic number, because the mean of its divisors is an integer number (6732940531323).

Almost surely, 2^{22443135104405} is an apocalyptic number.

It is an amenable number.

22443135104405 is a deficient number, since it is larger than the sum of its proper divisors (4488627020887).

22443135104405 is an equidigital number, since it uses as much as digits as its factorization.

22443135104405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488627020886.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 22443135104405 its reverse (50440153134422), we get a palindrome (72883288238827).

The spelling of 22443135104405 in words is "twenty-two trillion, four hundred forty-three billion, one hundred thirty-five million, one hundred four thousand, four hundred five".