22123435225 has 12 divisors (see below), whose sum is σ = 27478273024. Its totient is φ = 17669578320.

The previous prime is 22123435211. The next prime is 22123435253. The reversal of 22123435225 is 52253432122.

It is not a de Polignac number, because 22123435225 - 2⁵ = 22123435193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713769 + ... + 744118.

Almost surely, 2^22123435225 is an apocalyptic number.

22123435225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22123435225 is a deficient number, since it is larger than the sum of its proper divisors (5354837799).

22123435225 is a wasteful number, since it uses less digits than its factorization.

22123435225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458504 (or 1458499 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

Adding to 22123435225 its reverse (52253432122), we get a palindrome (74376867347).

The spelling of 22123435225 in words is "twenty-two billion, one hundred twenty-three million, four hundred thirty-five thousand, two hundred twenty-five".