22035100405 has 4 divisors (see below), whose sum is σ = 26442120492. Its totient is φ = 17628080320.

The previous prime is 22035100397. The next prime is 22035100433. The reversal of 22035100405 is 50400153022.

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 11210362641 + 10824737764 = 105879^2 + 104042^2 .

It is not a de Polignac number, because 22035100405 - 2³ = 22035100397 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, 2203510036 + ... + 2203510045.

It is an arithmetic number, because the mean of its divisors is an integer number (6610530123).

Almost surely, 2^22035100405 is an apocalyptic number.

It is an amenable number.

22035100405 is a deficient number, since it is larger than the sum of its proper divisors (4407020087).

22035100405 is an equidigital number, since it uses as much as digits as its factorization.

22035100405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407020086.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 22035100405 its reverse (50400153022), we get a palindrome (72435253427).

The spelling of 22035100405 in words is "twenty-two billion, thirty-five million, one hundred thousand, four hundred five".