25812422 has 8 divisors (see below), whose sum is σ = 38888400. Its totient is φ = 12849624.

The previous prime is 25812401. The next prime is 25812467. The reversal of 25812422 is 22421852.

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

It is a super-2 number, since 2×25812422² = 1332562259012168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25812391 and 25812400.

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, 27722 + ... + 28637.

It is an arithmetic number, because the mean of its divisors is an integer number (4861050).

Almost surely, 2^25812422 is an apocalyptic number.

25812422 is a deficient number, since it is larger than the sum of its proper divisors (13075978).

25812422 is a wasteful number, since it uses less digits than its factorization.

25812422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56590.

The product of its digits is 2560, while the sum is 26.

The square root of 25812422 is about 5080.5926819614. The cubic root of 25812422 is about 295.5354519170.

The spelling of 25812422 in words is "twenty-five million, eight hundred twelve thousand, four hundred twenty-two".