25838222 has 4 divisors (see below), whose sum is σ = 38757336. Its totient is φ = 12919110.

The previous prime is 25838209. The next prime is 25838243. The reversal of 25838222 is 22283852.

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

It is a super-2 number, since 2×25838222² = 1335227432242568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6459554 + ... + 6459557.

It is an arithmetic number, because the mean of its divisors is an integer number (9689334).

Almost surely, 2^25838222 is an apocalyptic number.

25838222 is a deficient number, since it is larger than the sum of its proper divisors (12919114).

25838222 is a wasteful number, since it uses less digits than its factorization.

25838222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12919113.

The product of its digits is 15360, while the sum is 32.

The square root of 25838222 is about 5083.1311216611. The cubic root of 25838222 is about 295.6338835389.

The spelling of 25838222 in words is "twenty-five million, eight hundred thirty-eight thousand, two hundred twenty-two".