25852224 has 56 divisors (see below), whose sum is σ = 70774560. Its totient is φ = 8318464.

The previous prime is 25852201. The next prime is 25852237. The reversal of 25852224 is 42225852.

It is a junction number, because it is equal to n+sod(n) for n = 25852191 and 25852200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3247 + ... + 7889.

Almost surely, 2^25852224 is an apocalyptic number.

25852224 is a gapful number since it is divisible by the number (24) 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 25852224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35387280).

25852224 is an abundant number, since it is smaller than the sum of its proper divisors (44922336).

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

25852224 is a wasteful number, since it uses less digits than its factorization.

25852224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4677 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 25852224 is about 5084.5082358081. The cubic root of 25852224 is about 295.6872762494.

The spelling of 25852224 in words is "twenty-five million, eight hundred fifty-two thousand, two hundred twenty-four".