225766839 has 8 divisors (see below), whose sum is σ = 301220352. Its totient is φ = 150412280.

The previous prime is 225766823. The next prime is 225766847. The reversal of 225766839 is 938667522.

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 225766839 - 2⁴ = 225766823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225766819) 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, 19239 + ... + 28664.

It is an arithmetic number, because the mean of its divisors is an integer number (37652544).

Almost surely, 2^225766839 is an apocalyptic number.

225766839 is a deficient number, since it is larger than the sum of its proper divisors (75453513).

225766839 is a wasteful number, since it uses less digits than its factorization.

225766839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49477.

The product of its digits is 1088640, while the sum is 48.

The square root of 225766839 is about 15025.5395576998. The cubic root of 225766839 is about 608.9103893430.

It can be divided in two parts, 2257 and 66839, that added together give a palindrome (69096).

The spelling of 225766839 in words is "two hundred twenty-five million, seven hundred sixty-six thousand, eight hundred thirty-nine".