23009225 has 12 divisors (see below), whose sum is σ = 28760064. Its totient is φ = 18259920.

The previous prime is 23009219. The next prime is 23009291. The reversal of 23009225 is 52290032.

It is not a de Polignac number, because 23009225 - 2⁸ = 23008969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23009225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449 + ... + 6798.

It is an arithmetic number, because the mean of its divisors is an integer number (2396672).

Almost surely, 2^23009225 is an apocalyptic number.

23009225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23009225 is a deficient number, since it is larger than the sum of its proper divisors (5750839).

23009225 is a wasteful number, since it uses less digits than its factorization.

23009225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384 (or 7379 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 23009225 is about 4796.7931996283. The cubic root of 23009225 is about 284.4247141681.

Adding to 23009225 its reverse (52290032), we get a palindrome (75299257).

The spelling of 23009225 in words is "twenty-three million, nine thousand, two hundred twenty-five".