227812240 has 80 divisors (see below), whose sum is σ = 585283968. Its totient is φ = 82024448.

The previous prime is 227812229. The next prime is 227812241. The reversal of 227812240 is 42218722.

227812240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 227812199 and 227812208.

It is not an unprimeable number, because it can be changed into a prime (227812241) 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 15 ways as a sum of consecutive naturals, for example, 27639 + ... + 34921.

Almost surely, 2^227812240 is an apocalyptic number.

227812240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227812240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292641984).

227812240 is an abundant number, since it is smaller than the sum of its proper divisors (357471728).

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

227812240 is a wasteful number, since it uses less digits than its factorization.

227812240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336 (or 7330 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 227812240 is about 15093.4502351185. The cubic root of 227812240 is about 610.7437313886.

The spelling of 227812240 in words is "two hundred twenty-seven million, eight hundred twelve thousand, two hundred forty".