22045250435405 has 4 divisors (see below), whose sum is σ = 26454300522492. Its totient is φ = 17636200348320.

The previous prime is 22045250435363. The next prime is 22045250435449. The reversal of 22045250435405 is 50453405254022.

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 10538087122564 + 11507163312841 = 3246242^2 + 3392221^2 .

It is not a de Polignac number, because 22045250435405 - 2²⁶ = 22045183326541 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, 2204525043536 + ... + 2204525043545.

It is an arithmetic number, because the mean of its divisors is an integer number (6613575130623).

Almost surely, 2^{22045250435405} is an apocalyptic number.

It is an amenable number.

22045250435405 is a deficient number, since it is larger than the sum of its proper divisors (4409050087087).

22045250435405 is an equidigital number, since it uses as much as digits as its factorization.

22045250435405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409050087086.

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 22045250435405 its reverse (50453405254022), we get a palindrome (72498655689427).

The spelling of 22045250435405 in words is "twenty-two trillion, forty-five billion, two hundred fifty million, four hundred thirty-five thousand, four hundred five".