25542622 has 24 divisors (see below), whose sum is σ = 45045504. Its totient is φ = 10829952.

The previous prime is 25542613. The next prime is 25542641. The reversal of 25542622 is 22624552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8163 + ... + 10849.

It is an arithmetic number, because the mean of its divisors is an integer number (1876896).

Almost surely, 2^25542622 is an apocalyptic number.

25542622 is a deficient number, since it is larger than the sum of its proper divisors (19502882).

25542622 is a wasteful number, since it uses less digits than its factorization.

25542622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800 (or 2793 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 25542622 is about 5053.9709140437. The cubic root of 25542622 is about 294.5021652225.

The spelling of 25542622 in words is "twenty-five million, five hundred forty-two thousand, six hundred twenty-two".