25669226 has 16 divisors (see below), whose sum is σ = 42124320. Its totient is φ = 11634480.

The previous prime is 25669211. The next prime is 25669229. The reversal of 25669226 is 62296652.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25669226.

It is not an unprimeable number, because it can be changed into a prime (25669229) 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, 7265 + ... + 10203.

It is an arithmetic number, because the mean of its divisors is an integer number (2632770).

Almost surely, 2^25669226 is an apocalyptic number.

25669226 is a deficient number, since it is larger than the sum of its proper divisors (16455094).

25669226 is a wasteful number, since it uses less digits than its factorization.

25669226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349.

The product of its digits is 77760, while the sum is 38.

The square root of 25669226 is about 5066.4806325496. The cubic root of 25669226 is about 294.9879378387.

The spelling of 25669226 in words is "twenty-five million, six hundred sixty-nine thousand, two hundred twenty-six".