225081337 has 8 divisors (see below), whose sum is σ = 244024200. Its totient is φ = 206371200.

The previous prime is 225081331. The next prime is 225081347. The reversal of 225081337 is 733180522.

It can be written as a sum of positive squares in 4 ways, for example, as 3041536 + 222039801 = 1744^2 + 14901^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 225081337 - 2¹¹ = 225079289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225081299 and 225081308.

It is not an unprimeable number, because it can be changed into a prime (225081331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56164 + ... + 60037.

It is an arithmetic number, because the mean of its divisors is an integer number (30503025).

Almost surely, 2^225081337 is an apocalyptic number.

It is an amenable number.

225081337 is a deficient number, since it is larger than the sum of its proper divisors (18942863).

225081337 is a wasteful number, since it uses less digits than its factorization.

225081337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116363.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 225081337 is about 15002.7109883514. The cubic root of 225081337 is about 608.2934808112.

The spelling of 225081337 in words is "two hundred twenty-five million, eighty-one thousand, three hundred thirty-seven".