227338240 has 72 divisors (see below), whose sum is σ = 549164070. Its totient is φ = 90324992.

The previous prime is 227338207. The next prime is 227338247. The reversal of 227338240 is 42833722.

It can be written as a sum of positive squares in 3 ways, for example, as 87909376 + 139428864 = 9376^2 + 11808^2 .

It is not an unprimeable number, because it can be changed into a prime (227338247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1525686 + ... + 1525834.

Almost surely, 2^227338240 is an apocalyptic number.

227338240 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 227338240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274582035).

227338240 is an abundant number, since it is smaller than the sum of its proper divisors (321825830).

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

227338240 is an frugal number, since it uses more digits than its factorization.

227338240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 227338240 is about 15077.7398836828. The cubic root of 227338240 is about 610.3198537548.

The spelling of 227338240 in words is "two hundred twenty-seven million, three hundred thirty-eight thousand, two hundred forty".