25020224 has 28 divisors (see below), whose sum is σ = 51255168. Its totient is φ = 12105600.

The previous prime is 25020223. The next prime is 25020227. The reversal of 25020224 is 42202052.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25020223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4322 + ... + 8289.

Almost surely, 2^25020224 is an apocalyptic number.

It is an amenable number.

25020224 is an abundant number, since it is smaller than the sum of its proper divisors (26234944).

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

25020224 is a wasteful number, since it uses less digits than its factorization.

25020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654 (or 12644 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 25020224 is about 5002.0219911552. The cubic root of 25020224 is about 292.4805996824.

Adding to 25020224 its reverse (42202052), we get a palindrome (67222276).

The spelling of 25020224 in words is "twenty-five million, twenty thousand, two hundred twenty-four".