225861332 has 6 divisors (see below), whose sum is σ = 395257338. Its totient is φ = 112930664.

The previous prime is 225861331. The next prime is 225861353. The reversal of 225861332 is 233168522.

It can be written as a sum of positive squares in only one way, i.e., 225780676 + 80656 = 15026^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225861331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28232663 + ... + 28232670.

It is an arithmetic number, because the mean of its divisors is an integer number (65876223).

Almost surely, 2^225861332 is an apocalyptic number.

It is an amenable number.

225861332 is a deficient number, since it is larger than the sum of its proper divisors (169396006).

225861332 is a wasteful number, since it uses less digits than its factorization.

225861332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56465337 (or 56465335 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 225861332 is about 15028.6836416234. The cubic root of 225861332 is about 608.9953291039.

The spelling of 225861332 in words is "two hundred twenty-five million, eight hundred sixty-one thousand, three hundred thirty-two".