23707225 has 24 divisors (see below), whose sum is σ = 30544920. Its totient is φ = 18240000.

The previous prime is 23707171. The next prime is 23707237. The reversal of 23707225 is 52270732.

It can be written as a sum of positive squares in 12 ways, for example, as 1607824 + 22099401 = 1268^2 + 4701^2 .

It is not a de Polignac number, because 23707225 - 2⁹ = 23706713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23707193 and 23707202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103411 + ... + 103639.

It is an arithmetic number, because the mean of its divisors is an integer number (1272705).

Almost surely, 2^23707225 is an apocalyptic number.

23707225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23707225 is a deficient number, since it is larger than the sum of its proper divisors (6837695).

23707225 is a wasteful number, since it uses less digits than its factorization.

23707225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 23707225 is about 4869.0065721870. The cubic root of 23707225 is about 287.2721824720.

Adding to 23707225 its reverse (52270732), we get a palindrome (75977957).

It can be divided in two parts, 23707 and 225, that added together give a palindrome (23932).

The spelling of 23707225 in words is "twenty-three million, seven hundred seven thousand, two hundred twenty-five".