23554225 has 6 divisors (see below), whose sum is σ = 29207270. Its totient is φ = 18843360.

The previous prime is 23554211. The next prime is 23554229. The reversal of 23554225 is 52245532.

It can be written as a sum of positive squares in 3 ways, for example, as 12321 + 23541904 = 111^2 + 4852^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23554225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23554193 and 23554202.

It is not an unprimeable number, because it can be changed into a prime (23554229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471060 + ... + 471109.

Almost surely, 2^23554225 is an apocalyptic number.

23554225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23554225 is a deficient number, since it is larger than the sum of its proper divisors (5653045).

23554225 is an equidigital number, since it uses as much as digits as its factorization.

23554225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942179 (or 942174 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 23554225 is about 4853.2695165218. The cubic root of 23554225 is about 286.6528559839.

Adding to 23554225 its reverse (52245532), we get a palindrome (75799757).

The spelling of 23554225 in words is "twenty-three million, five hundred fifty-four thousand, two hundred twenty-five".