25522342 has 4 divisors (see below), whose sum is σ = 38283516. Its totient is φ = 12761170.

The previous prime is 25522313. The next prime is 25522369. The reversal of 25522342 is 24322552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6380584 + ... + 6380587.

It is an arithmetic number, because the mean of its divisors is an integer number (9570879).

Almost surely, 2^25522342 is an apocalyptic number.

25522342 is a deficient number, since it is larger than the sum of its proper divisors (12761174).

25522342 is a wasteful number, since it uses less digits than its factorization.

25522342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12761173.

The product of its digits is 4800, while the sum is 25.

The square root of 25522342 is about 5051.9641724779. The cubic root of 25522342 is about 294.4242029148.

Adding to 25522342 its reverse (24322552), we get a palindrome (49844894).

The spelling of 25522342 in words is "twenty-five million, five hundred twenty-two thousand, three hundred forty-two".