25223042 has 16 divisors (see below), whose sum is σ = 42517440. Its totient is φ = 11134992.

The previous prime is 25223039. The next prime is 25223063. The reversal of 25223042 is 24032252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20492 + ... + 21687.

It is an arithmetic number, because the mean of its divisors is an integer number (2657340).

Almost surely, 2^25223042 is an apocalyptic number.

25223042 is a deficient number, since it is larger than the sum of its proper divisors (17294398).

25223042 is a wasteful number, since it uses less digits than its factorization.

25223042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42217.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 25223042 is about 5022.2546729532. The cubic root of 25223042 is about 293.2687722355.

Adding to 25223042 its reverse (24032252), we get a palindrome (49255294).

The spelling of 25223042 in words is "twenty-five million, two hundred twenty-three thousand, forty-two".