22153325305 has 4 divisors (see below), whose sum is σ = 26583990372. Its totient is φ = 17722660240.

The previous prime is 22153325279. The next prime is 22153325321. The reversal of 22153325305 is 50352335122.

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 8578279161 + 13575046144 = 92619^2 + 116512^2 .

It is not a de Polignac number, because 22153325305 - 2⁹ = 22153324793 is a prime.

It is a Duffinian 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, 2215332526 + ... + 2215332535.

It is an arithmetic number, because the mean of its divisors is an integer number (6645997593).

Almost surely, 2^22153325305 is an apocalyptic number.

It is an amenable number.

22153325305 is a deficient number, since it is larger than the sum of its proper divisors (4430665067).

22153325305 is an equidigital number, since it uses as much as digits as its factorization.

22153325305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430665066.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 22153325305 in words is "twenty-two billion, one hundred fifty-three million, three hundred twenty-five thousand, three hundred five".