25878422 has 8 divisors (see below), whose sum is σ = 39202272. Its totient is φ = 12811000.

The previous prime is 25878407. The next prime is 25878431. The reversal of 25878422 is 22487852.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63854 + ... + 64257.

It is an arithmetic number, because the mean of its divisors is an integer number (4900284).

Almost surely, 2^25878422 is an apocalyptic number.

25878422 is a deficient number, since it is larger than the sum of its proper divisors (13323850).

25878422 is a wasteful number, since it uses less digits than its factorization.

25878422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128214.

The product of its digits is 71680, while the sum is 38.

The square root of 25878422 is about 5087.0838404728. The cubic root of 25878422 is about 295.7871232369.

The spelling of 25878422 in words is "twenty-five million, eight hundred seventy-eight thousand, four hundred twenty-two".