225602789 has 8 divisors (see below), whose sum is σ = 238321440. Its totient is φ = 212968656.

The previous prime is 225602771. The next prime is 225602809. The reversal of 225602789 is 987206522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225602789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225602989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15602 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (29790180).

Almost surely, 2^225602789 is an apocalyptic number.

It is an amenable number.

225602789 is a deficient number, since it is larger than the sum of its proper divisors (12718651).

225602789 is a wasteful number, since it uses less digits than its factorization.

225602789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42259.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 225602789 is about 15020.0795270864. The cubic root of 225602789 is about 608.7628684840.

The spelling of 225602789 in words is "two hundred twenty-five million, six hundred two thousand, seven hundred eighty-nine".