225942 has 8 divisors (see below), whose sum is σ = 451896. Its totient is φ = 75312.

The previous prime is 225941. The next prime is 225943. The reversal of 225942 is 249522.

225942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225941) and next prime (225943).

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

225942 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225942.

It is not an unprimeable number, because it can be changed into a prime (225941) 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, 18823 + ... + 18834.

It is an arithmetic number, because the mean of its divisors is an integer number (56487).

2²²⁵⁹⁴² is an apocalyptic number.

225942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225942 is a wasteful number, since it uses less digits than its factorization.

225942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37662.

The product of its digits is 1440, while the sum is 24.

The square root of 225942 is about 475.3335670874. Note that the first 3 decimals coincide. The cubic root of 225942 is about 60.9067822829.

The spelling of 225942 in words is "two hundred twenty-five thousand, nine hundred forty-two".