22002435505 has 4 divisors (see below), whose sum is σ = 26402922612. Its totient is φ = 17601948400.

The previous prime is 22002435479. The next prime is 22002435509. The reversal of 22002435505 is 50553420022.

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 6343166736 + 15659268769 = 79644^2 + 125137^2 .

It is not a de Polignac number, because 22002435505 - 2¹³ = 22002427313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002435509) 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, 2200243546 + ... + 2200243555.

It is an arithmetic number, because the mean of its divisors is an integer number (6600730653).

Almost surely, 2^22002435505 is an apocalyptic number.

It is an amenable number.

22002435505 is a deficient number, since it is larger than the sum of its proper divisors (4400487107).

22002435505 is an equidigital number, since it uses as much as digits as its factorization.

22002435505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400487106.

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 22002435505 its reverse (50553420022), we get a palindrome (72555855527).

The spelling of 22002435505 in words is "twenty-two billion, two million, four hundred thirty-five thousand, five hundred five".