23004225 has 18 divisors (see below), whose sum is σ = 41203526. Its totient is φ = 12268800.

The previous prime is 23004211. The next prime is 23004227. The reversal of 23004225 is 52240032.

It can be written as a sum of positive squares in 3 ways, for example, as 2537649 + 20466576 = 1593^2 + 4524^2 .

It is not a de Polignac number, because 23004225 - 2⁶ = 23004161 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23004198 and 23004207.

It is not an unprimeable number, because it can be changed into a prime (23004227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50896 + ... + 51345.

Almost surely, 2^23004225 is an apocalyptic number.

23004225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23004225 is a deficient number, since it is larger than the sum of its proper divisors (18199301).

23004225 is a wasteful number, since it uses less digits than its factorization.

23004225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102257 (or 102249 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23004225 is about 4796.2719897854. The cubic root of 23004225 is about 284.4041104523.

Adding to 23004225 its reverse (52240032), we get a palindrome (75244257).

The spelling of 23004225 in words is "twenty-three million, four thousand, two hundred twenty-five".