25502223 has 8 divisors (see below), whose sum is σ = 35175600. Its totient is φ = 16415168.

The previous prime is 25502221. The next prime is 25502231. The reversal of 25502223 is 32220552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25502223 - 2¹ = 25502221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25502223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25502221) 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, 146478 + ... + 146651.

It is an arithmetic number, because the mean of its divisors is an integer number (4396950).

Almost surely, 2^25502223 is an apocalyptic number.

25502223 is a deficient number, since it is larger than the sum of its proper divisors (9673377).

25502223 is a wasteful number, since it uses less digits than its factorization.

25502223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293161.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25502223 is about 5049.9725741830. The cubic root of 25502223 is about 294.3468187194.

Adding to 25502223 its reverse (32220552), we get a palindrome (57722775).

The spelling of 25502223 in words is "twenty-five million, five hundred two thousand, two hundred twenty-three".