225982 has 8 divisors (see below), whose sum is σ = 342576. Its totient is φ = 111792.

The previous prime is 225977. The next prime is 225983. The reversal of 225982 is 289522.

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

It is a d-powerful number, because it can be written as 2⁸ + 2¹⁴ + 9² + 5⁷ + 8² + 2¹⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 225982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343 + ... + 754.

It is an arithmetic number, because the mean of its divisors is an integer number (42822).

2²²⁵⁹⁸² is an apocalyptic number.

225982 is a deficient number, since it is larger than the sum of its proper divisors (116594).

225982 is a wasteful number, since it uses less digits than its factorization.

225982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202.

The product of its digits is 2880, while the sum is 28.

The square root of 225982 is about 475.3756409409. The cubic root of 225982 is about 60.9103763137.

The spelling of 225982 in words is "two hundred twenty-five thousand, nine hundred eighty-two".