23345225 has 6 divisors (see below), whose sum is σ = 28948110. Its totient is φ = 18676160.

The previous prime is 23345219. The next prime is 23345227. The reversal of 23345225 is 52254332.

It can be written as a sum of positive squares in 3 ways, for example, as 4923961 + 18421264 = 2219^2 + 4292^2 .

It is not a de Polignac number, because 23345225 - 2⁴ = 23345209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23345194 and 23345203.

It is not an unprimeable number, because it can be changed into a prime (23345227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466880 + ... + 466929.

It is an arithmetic number, because the mean of its divisors is an integer number (4824685).

Almost surely, 2^23345225 is an apocalyptic number.

23345225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23345225 is a deficient number, since it is larger than the sum of its proper divisors (5602885).

23345225 is an equidigital number, since it uses as much as digits as its factorization.

23345225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933819 (or 933814 counting only the distinct ones).

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

The square root of 23345225 is about 4831.6896630475. The cubic root of 23345225 is about 285.8024986547.

Adding to 23345225 its reverse (52254332), we get a palindrome (75599557).

The spelling of 23345225 in words is "twenty-three million, three hundred forty-five thousand, two hundred twenty-five".