23225331225 has 12 divisors (see below), whose sum is σ = 38399214416. Its totient is φ = 12386843280.

The previous prime is 23225331221. The next prime is 23225331301. The reversal of 23225331225 is 52213352232.

It is not a de Polignac number, because 23225331225 - 2² = 23225331221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23225331192 and 23225331201.

It is not an unprimeable number, because it can be changed into a prime (23225331221) by changing a digit.

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, 154835467 + ... + 154835616.

Almost surely, 2^23225331225 is an apocalyptic number.

23225331225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23225331225 is a deficient number, since it is larger than the sum of its proper divisors (15173883191).

23225331225 is a wasteful number, since it uses less digits than its factorization.

23225331225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309671096 (or 309671091 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

Adding to 23225331225 its reverse (52213352232), we get a palindrome (75438683457).

The spelling of 23225331225 in words is "twenty-three billion, two hundred twenty-five million, three hundred thirty-one thousand, two hundred twenty-five".