227152289 has 24 divisors (see below), whose sum is σ = 286207488. Its totient is φ = 178688160.

The previous prime is 227152279. The next prime is 227152291. The reversal of 227152289 is 982251722.

It is a happy number.

It is not a de Polignac number, because 227152289 - 2¹⁶ = 227086753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227152279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120734 + ... + 122600.

It is an arithmetic number, because the mean of its divisors is an integer number (11925312).

Almost surely, 2^227152289 is an apocalyptic number.

It is an amenable number.

227152289 is a deficient number, since it is larger than the sum of its proper divisors (59055199).

227152289 is a wasteful number, since it uses less digits than its factorization.

227152289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085 (or 2078 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 227152289 is about 15071.5722139397. The cubic root of 227152289 is about 610.1534049367.

The spelling of 227152289 in words is "two hundred twenty-seven million, one hundred fifty-two thousand, two hundred eighty-nine".