22115403005 has 4 divisors (see below), whose sum is σ = 26538483612. Its totient is φ = 17692322400.

The previous prime is 22115402977. The next prime is 22115403017. The reversal of 22115403005 is 50030451122.

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 7816504921 + 14298898084 = 88411^2 + 119578^2 .

It is not a de Polignac number, because 22115403005 - 2³² = 17820435709 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, 2211540296 + ... + 2211540305.

It is an arithmetic number, because the mean of its divisors is an integer number (6634620903).

Almost surely, 2^22115403005 is an apocalyptic number.

It is an amenable number.

22115403005 is a deficient number, since it is larger than the sum of its proper divisors (4423080607).

22115403005 is an equidigital number, since it uses as much as digits as its factorization.

22115403005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423080606.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 22115403005 its reverse (50030451122), we get a palindrome (72145854127).

The spelling of 22115403005 in words is "twenty-two billion, one hundred fifteen million, four hundred three thousand, five".