25225722 has 32 divisors (see below), whose sum is σ = 59356800. Its totient is φ = 7913664.

The previous prime is 25225709. The next prime is 25225741. The reversal of 25225722 is 22752252.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12822 + ... + 14657.

It is an arithmetic number, because the mean of its divisors is an integer number (1854900).

Almost surely, 2^25225722 is an apocalyptic number.

25225722 is an abundant number, since it is smaller than the sum of its proper divisors (34131078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25225722 is a wasteful number, since it uses less digits than its factorization.

25225722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27507 (or 27501 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 25225722 is about 5022.5214783015. The cubic root of 25225722 is about 293.2791586707.

Adding to 25225722 its reverse (22752252), we get a palindrome (47977974).

The spelling of 25225722 in words is "twenty-five million, two hundred twenty-five thousand, seven hundred twenty-two".