25112227 has 4 divisors (see below), whose sum is σ = 28699696. Its totient is φ = 21524760.

The previous prime is 25112221. The next prime is 25112249. The reversal of 25112227 is 72221152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25112227 - 2⁷ = 25112099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25112198 and 25112207.

It is not an unprimeable number, because it can be changed into a prime (25112221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793724 + ... + 1793737.

It is an arithmetic number, because the mean of its divisors is an integer number (7174924).

Almost surely, 2^25112227 is an apocalyptic number.

25112227 is a deficient number, since it is larger than the sum of its proper divisors (3587469).

25112227 is an equidigital number, since it uses as much as digits as its factorization.

25112227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587468.

The product of its digits is 560, while the sum is 22.

The square root of 25112227 is about 5011.2101332912. The cubic root of 25112227 is about 292.8386590527.

Adding to 25112227 its reverse (72221152), we get a palindrome (97333379).

The spelling of 25112227 in words is "twenty-five million, one hundred twelve thousand, two hundred twenty-seven".