225968789 has 4 divisors (see below), whose sum is σ = 229151520. Its totient is φ = 222786060.

The previous prime is 225968737. The next prime is 225968797. The reversal of 225968789 is 987869522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225968789 - 2¹² = 225964693 is a prime.

It is a super-3 number, since 3×225968789³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225968719) 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, 1591259 + ... + 1591400.

It is an arithmetic number, because the mean of its divisors is an integer number (57287880).

Almost surely, 2^225968789 is an apocalyptic number.

It is an amenable number.

225968789 is a deficient number, since it is larger than the sum of its proper divisors (3182731).

225968789 is an equidigital number, since it uses as much as digits as its factorization.

225968789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182730.

The product of its digits is 4354560, while the sum is 56.

The square root of 225968789 is about 15032.2582801121. The cubic root of 225968789 is about 609.0918934207.

The spelling of 225968789 in words is "two hundred twenty-five million, nine hundred sixty-eight thousand, seven hundred eighty-nine".