25206223 has 8 divisors (see below), whose sum is σ = 30501792. Its totient is φ = 20334336.

The previous prime is 25206197. The next prime is 25206277. The reversal of 25206223 is 32260252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25206223 - 2⁹ = 25205711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25206194 and 25206203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25206283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 105790 + ... + 106027.

It is an arithmetic number, because the mean of its divisors is an integer number (3812724).

Almost surely, 2^25206223 is an apocalyptic number.

25206223 is a deficient number, since it is larger than the sum of its proper divisors (5295569).

25206223 is a wasteful number, since it uses less digits than its factorization.

25206223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211841.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 25206223 is about 5020.5799465799. The cubic root of 25206223 is about 293.2035728009.

Adding to 25206223 its reverse (32260252), we get a palindrome (57466475).

The spelling of 25206223 in words is "twenty-five million, two hundred six thousand, two hundred twenty-three".