25322112 has 128 divisors (see below), whose sum is σ = 79315200. Its totient is φ = 7925760.

The previous prime is 25322093. The next prime is 25322113. The reversal of 25322112 is 21122352.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×25322112² = 1282418712281088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (25322113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58537 + ... + 58967.

It is an arithmetic number, because the mean of its divisors is an integer number (619650).

Almost surely, 2^25322112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39657600).

25322112 is an abundant number, since it is smaller than the sum of its proper divisors (53993088).

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

25322112 is a wasteful number, since it uses less digits than its factorization.

25322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 453 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 25322112 is about 5032.1081069468. The cubic root of 25322112 is about 293.6522335278.

Adding to 25322112 its product of digits (240), we get a palindrome (25322352).

Adding to 25322112 its reverse (21122352), we get a palindrome (46444464).

The spelling of 25322112 in words is "twenty-five million, three hundred twenty-two thousand, one hundred twelve".