25920226 has 8 divisors (see below), whose sum is σ = 38950380. Its totient is φ = 12936768.

The previous prime is 25920221. The next prime is 25920269. The reversal of 25920226 is 62202952.

It can be written as a sum of positive squares in 2 ways, for example, as 25857225 + 63001 = 5085^2 + 251^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 25920194 and 25920203.

It is not an unprimeable number, because it can be changed into a prime (25920221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10251 + ... + 12526.

Almost surely, 2^25920226 is an apocalyptic number.

25920226 is a deficient number, since it is larger than the sum of its proper divisors (13030154).

25920226 is a wasteful number, since it uses less digits than its factorization.

25920226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23348.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 25920226 is about 5091.1910197909. The cubic root of 25920226 is about 295.9463090467.

The spelling of 25920226 in words is "twenty-five million, nine hundred twenty thousand, two hundred twenty-six".