22235023205 has 4 divisors (see below), whose sum is σ = 26682027852. Its totient is φ = 17788018560.

The previous prime is 22235023177. The next prime is 22235023219. The reversal of 22235023205 is 50232053222.

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 15291300964 + 6943722241 = 123658^2 + 83329^2 .

It is not a de Polignac number, because 22235023205 - 2⁸ = 22235022949 is a prime.

It is a super-5 number, since 5×22235023205⁵ (a number of 53 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223502316 + ... + 2223502325.

It is an arithmetic number, because the mean of its divisors is an integer number (6670506963).

Almost surely, 2^22235023205 is an apocalyptic number.

It is an amenable number.

22235023205 is a deficient number, since it is larger than the sum of its proper divisors (4447004647).

22235023205 is an equidigital number, since it uses as much as digits as its factorization.

22235023205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447004646.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 22235023205 its reverse (50232053222), we get a palindrome (72467076427).

The spelling of 22235023205 in words is "twenty-two billion, two hundred thirty-five million, twenty-three thousand, two hundred five".