25223237 has 8 divisors (see below), whose sum is σ = 27202560. Its totient is φ = 23249520.

The previous prime is 25223221. The next prime is 25223251. The reversal of 25223237 is 73232252.

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 25223237 - 2⁴ = 25223221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25223287) 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, 16412 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (3400320).

Almost surely, 2^25223237 is an apocalyptic number.

It is an amenable number.

25223237 is a deficient number, since it is larger than the sum of its proper divisors (1979323).

25223237 is a wasteful number, since it uses less digits than its factorization.

25223237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803.

The product of its digits is 5040, while the sum is 26.

The square root of 25223237 is about 5022.2740865070. The cubic root of 25223237 is about 293.2695279897.

Adding to 25223237 its reverse (73232252), we get a palindrome (98455489).

The spelling of 25223237 in words is "twenty-five million, two hundred twenty-three thousand, two hundred thirty-seven".