23225 has 6 divisors (see below), whose sum is σ = 28830. Its totient is φ = 18560.

The previous prime is 23209. The next prime is 23227. The reversal of 23225 is 52232.

23225 = T₃₀ + T₃₁ + ... + T₅₄.

It can be written as a sum of positive squares in 3 ways, for example, as 121 + 23104 = 11^2 + 152^2 .

It is not a de Polignac number, because 23225 - 2⁴ = 23209 is a prime.

It is a Curzon number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (23227) 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, 440 + ... + 489.

It is an arithmetic number, because the mean of its divisors is an integer number (4805).

2²³²²⁵ is an apocalyptic number.

23225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23225 is a deficient number, since it is larger than the sum of its proper divisors (5605).

23225 is an equidigital number, since it uses as much as digits as its factorization.

23225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 934 counting only the distinct ones).

The product of its digits is 120, while the sum is 14.

The square root of 23225 is about 152.3975065413. The cubic root of 23225 is about 28.5311038281.

Adding to 23225 its reverse (52232), we get a palindrome (75457).

The spelling of 23225 in words is "twenty-three thousand, two hundred twenty-five".