25222514 has 4 divisors (see below), whose sum is σ = 37833774. Its totient is φ = 12611256.

The previous prime is 25222471. The next prime is 25222529. The reversal of 25222514 is 41522252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16120225 + 9102289 = 4015^2 + 3017^2 .

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 25222514.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305627 + ... + 6305630.

Almost surely, 2^25222514 is an apocalyptic number.

25222514 is a deficient number, since it is larger than the sum of its proper divisors (12611260).

25222514 is a wasteful number, since it uses less digits than its factorization.

25222514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611259.

The product of its digits is 1600, while the sum is 23.

The square root of 25222514 is about 5022.2021066460. The cubic root of 25222514 is about 293.2667258660.

Adding to 25222514 its reverse (41522252), we get a palindrome (66744766).

The spelling of 25222514 in words is "twenty-five million, two hundred twenty-two thousand, five hundred fourteen".