25244422 has 32 divisors (see below), whose sum is σ = 46481472. Its totient is φ = 10036224.

The previous prime is 25244419. The next prime is 25244431. The reversal of 25244422 is 22444252.

It is a super-2 number, since 2×25244422² = 1274561684228168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16648 + ... + 18100.

It is an arithmetic number, because the mean of its divisors is an integer number (1452546).

Almost surely, 2^25244422 is an apocalyptic number.

25244422 is a deficient number, since it is larger than the sum of its proper divisors (21237050).

25244422 is a wasteful number, since it uses less digits than its factorization.

25244422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552.

The product of its digits is 5120, while the sum is 25.

The square root of 25244422 is about 5024.3827481592. The cubic root of 25244422 is about 293.3516107183.

Adding to 25244422 its reverse (22444252), we get a palindrome (47688674).

The spelling of 25244422 in words is "twenty-five million, two hundred forty-four thousand, four hundred twenty-two".