25850222 has 24 divisors (see below), whose sum is σ = 41718600. Its totient is φ = 11978928.

The previous prime is 25850221. The next prime is 25850233. The reversal of 25850222 is 22205852.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25850191 and 25850200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25850221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237104 + ... + 237212.

It is an arithmetic number, because the mean of its divisors is an integer number (1738275).

Almost surely, 2^25850222 is an apocalyptic number.

25850222 is a deficient number, since it is larger than the sum of its proper divisors (15868378).

25850222 is a wasteful number, since it uses less digits than its factorization.

25850222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 25850222 is about 5084.3113594665. The cubic root of 25850222 is about 295.6796433638.

The spelling of 25850222 in words is "twenty-five million, eight hundred fifty thousand, two hundred twenty-two".