25216226 has 16 divisors (see below), whose sum is σ = 43293696. Its totient is φ = 10790496.

The previous prime is 25216223. The next prime is 25216229. The reversal of 25216226 is 62261252.

It is an interprime number because it is at equal distance from previous prime (25216223) and next prime (25216229).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25216195 and 25216204.

It is not an unprimeable number, because it can be changed into a prime (25216223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14390 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (2705856).

Almost surely, 2^25216226 is an apocalyptic number.

25216226 is a deficient number, since it is larger than the sum of its proper divisors (18077470).

25216226 is a wasteful number, since it uses less digits than its factorization.

25216226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753.

The product of its digits is 2880, while the sum is 26.

The square root of 25216226 is about 5021.5760474178. The cubic root of 25216226 is about 293.2423532699.

Adding to 25216226 its reverse (62261252), we get a palindrome (87477478).

The spelling of 25216226 in words is "twenty-five million, two hundred sixteen thousand, two hundred twenty-six".