22424242205 has 4 divisors (see below), whose sum is σ = 26909090652. Its totient is φ = 17939393760.

The previous prime is 22424242189. The next prime is 22424242213. The reversal of 22424242205 is 50224242422.

It is a happy number.

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 17399984281 + 5024257924 = 131909^2 + 70882^2 .

It is not a de Polignac number, because 22424242205 - 2⁴ = 22424242189 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, 2242424216 + ... + 2242424225.

It is an arithmetic number, because the mean of its divisors is an integer number (6727272663).

Almost surely, 2^22424242205 is an apocalyptic number.

It is an amenable number.

22424242205 is a deficient number, since it is larger than the sum of its proper divisors (4484848447).

22424242205 is an equidigital number, since it uses as much as digits as its factorization.

22424242205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484848446.

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 22424242205 its reverse (50224242422), we get a palindrome (72648484627).

The spelling of 22424242205 in words is "twenty-two billion, four hundred twenty-four million, two hundred forty-two thousand, two hundred five".