23669225 has 6 divisors (see below), whose sum is σ = 29349870. Its totient is φ = 18935360.

The previous prime is 23669203. The next prime is 23669251. The reversal of 23669225 is 52296632.

It can be written as a sum of positive squares in 3 ways, for example, as 1125721 + 22543504 = 1061^2 + 4748^2 .

It is not a de Polignac number, because 23669225 - 2⁶ = 23669161 is a prime.

It is an unprimeable number.

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, 473360 + ... + 473409.

It is an arithmetic number, because the mean of its divisors is an integer number (4891645).

Almost surely, 2^23669225 is an apocalyptic number.

23669225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23669225 is a deficient number, since it is larger than the sum of its proper divisors (5680645).

23669225 is an equidigital number, since it uses as much as digits as its factorization.

23669225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946779 (or 946774 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 23669225 is about 4865.1027738374. The cubic root of 23669225 is about 287.1186121197.

The spelling of 23669225 in words is "twenty-three million, six hundred sixty-nine thousand, two hundred twenty-five".