25223115 has 8 divisors (see below), whose sum is σ = 40357008. Its totient is φ = 13452320.

The previous prime is 25223113. The next prime is 25223117. The reversal of 25223115 is 51132252.

It is an interprime number because it is at equal distance from previous prime (25223113) and next prime (25223117).

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

It is not a de Polignac number, because 25223115 - 2¹ = 25223113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25223091 and 25223100.

It is not an unprimeable number, because it can be changed into a prime (25223113) 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, 840756 + ... + 840785.

It is an arithmetic number, because the mean of its divisors is an integer number (5044626).

Almost surely, 2^25223115 is an apocalyptic number.

25223115 is a deficient number, since it is larger than the sum of its proper divisors (15133893).

25223115 is a wasteful number, since it uses less digits than its factorization.

25223115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681549.

The product of its digits is 600, while the sum is 21.

The square root of 25223115 is about 5022.2619406001. The cubic root of 25223115 is about 293.2690551593.

Adding to 25223115 its reverse (51132252), we get a palindrome (76355367).

The spelling of 25223115 in words is "twenty-five million, two hundred twenty-three thousand, one hundred fifteen".