25226208 has 192 divisors, whose sum is σ = 86929920. Its totient is φ = 6967296.

The previous prime is 25226207. The next prime is 25226231. The reversal of 25226208 is 80262252.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226203) 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 31 ways as a sum of consecutive naturals, for example, 260016 + ... + 260112.

It is an arithmetic number, because the mean of its divisors is an integer number (452760).

Almost surely, 2^25226208 is an apocalyptic number.

25226208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25226208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43464960).

25226208 is an abundant number, since it is smaller than the sum of its proper divisors (61703712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25226208 is a wasteful number, since it uses less digits than its factorization.

25226208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 25226208 is about 5022.5698601413. The cubic root of 25226208 is about 293.2810421022.

The spelling of 25226208 in words is "twenty-five million, two hundred twenty-six thousand, two hundred eight".