25012226 has 16 divisors (see below), whose sum is σ = 39137280. Its totient is φ = 11975040.

The previous prime is 25012217. The next prime is 25012231. The reversal of 25012226 is 62221052.

It is a super-2 number, since 2×25012226² = 1251222898950152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25012198 and 25012207.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3935 + ... + 8093.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 2^25012226 is an apocalyptic number.

25012226 is a deficient number, since it is larger than the sum of its proper divisors (14125054).

25012226 is a wasteful number, since it uses less digits than its factorization.

25012226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25012226 is about 5001.2224505615. Note that the first 3 decimals coincide. The cubic root of 25012226 is about 292.4494314411.

Adding to 25012226 its reverse (62221052), we get a palindrome (87233278).

The spelling of 25012226 in words is "twenty-five million, twelve thousand, two hundred twenty-six".