25802122 has 8 divisors (see below), whose sum is σ = 38830176. Its totient is φ = 12858732.

The previous prime is 25802089. The next prime is 25802129. The reversal of 25802122 is 22120852.

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

It is a junction number, because it is equal to n+sod(n) for n = 25802093 and 25802102.

It is not an unprimeable number, because it can be changed into a prime (25802129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20398 + ... + 21625.

It is an arithmetic number, because the mean of its divisors is an integer number (4853772).

Almost surely, 2^25802122 is an apocalyptic number.

25802122 is a deficient number, since it is larger than the sum of its proper divisors (13028054).

25802122 is a wasteful number, since it uses less digits than its factorization.

25802122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42332.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 25802122 is about 5079.5789195562. The cubic root of 25802122 is about 295.4961372525.

Adding to 25802122 its reverse (22120852), we get a palindrome (47922974).

The spelling of 25802122 in words is "twenty-five million, eight hundred two thousand, one hundred twenty-two".