25920227 has 4 divisors (see below), whose sum is σ = 25932480. Its totient is φ = 25907976.

The previous prime is 25920221. The next prime is 25920269. The reversal of 25920227 is 72202952.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25920227 - 2⁴ = 25920211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25920227.

It is not an unprimeable number, because it can be changed into a prime (25920221) 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, 2048 + ... + 7485.

It is an arithmetic number, because the mean of its divisors is an integer number (6483120).

Almost surely, 2^25920227 is an apocalyptic number.

25920227 is a deficient number, since it is larger than the sum of its proper divisors (12253).

25920227 is an equidigital number, since it uses as much as digits as its factorization.

25920227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12252.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25920227 is about 5091.1911179998. The cubic root of 25920227 is about 295.9463128525.

The spelling of 25920227 in words is "twenty-five million, nine hundred twenty thousand, two hundred twenty-seven".