227135232 has 144 divisors (see below), whose sum is σ = 711557280. Its totient is φ = 71221248.

The previous prime is 227135231. The next prime is 227135243. The reversal of 227135232 is 232531722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 227135196 and 227135205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227135231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116538 + ... + 118470.

It is an arithmetic number, because the mean of its divisors is an integer number (4941370).

Almost surely, 2^227135232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227135232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355778640).

227135232 is an abundant number, since it is smaller than the sum of its proper divisors (484422048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227135232 is a wasteful number, since it uses less digits than its factorization.

227135232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1955 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 227135232 is about 15071.0063366717. The cubic root of 227135232 is about 610.1381322942.

Adding to 227135232 its reverse (232531722), we get a palindrome (459666954).

The spelling of 227135232 in words is "two hundred twenty-seven million, one hundred thirty-five thousand, two hundred thirty-two".