25222582 has 32 divisors (see below), whose sum is σ = 49227264. Its totient is φ = 9398400.

The previous prime is 25222573. The next prime is 25222583. The reversal of 25222582 is 28522252.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 25222582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25222583) by changing a digit.

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, 19 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (1538352).

Almost surely, 2^25222582 is an apocalyptic number.

25222582 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25222582 is a deficient number, since it is larger than the sum of its proper divisors (24004682).

25222582 is a wasteful number, since it uses less digits than its factorization.

25222582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7164.

The product of its digits is 6400, while the sum is 28.

The square root of 25222582 is about 5022.2088765801. The cubic root of 25222582 is about 293.2669894152.

It can be divided in two parts, 2522258 and 2, that multiplied together give a square (5044516 = 2246²).

The spelling of 25222582 in words is "twenty-five million, two hundred twenty-two thousand, five hundred eighty-two".