225234388 has 24 divisors (see below), whose sum is σ = 405014400. Its totient is φ = 109555968.

The previous prime is 225234367. The next prime is 225234389. The reversal of 225234388 is 883432522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225234389) 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, 17973 + ... + 27811.

It is an arithmetic number, because the mean of its divisors is an integer number (16875600).

Almost surely, 2^225234388 is an apocalyptic number.

It is an amenable number.

225234388 is a deficient number, since it is larger than the sum of its proper divisors (179780012).

225234388 is a wasteful number, since it uses less digits than its factorization.

225234388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999 (or 9997 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 225234388 is about 15007.8108996615. The cubic root of 225234388 is about 608.4313255458.

The spelling of 225234388 in words is "two hundred twenty-five million, two hundred thirty-four thousand, three hundred eighty-eight".