227905380 has 192 divisors, whose sum is σ = 757344000. Its totient is φ = 56733696.

The previous prime is 227905369. The next prime is 227905387. The reversal of 227905380 is 83509722.

It is a happy number.

227905380 is a `hidden beast` number, since 2 + 279 + 0 + 5 + 380 = 666.

227905380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (227905387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 995106 + ... + 995334.

It is an arithmetic number, because the mean of its divisors is an integer number (3944500).

Almost surely, 2^227905380 is an apocalyptic number.

227905380 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 227905380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378672000).

227905380 is an abundant number, since it is smaller than the sum of its proper divisors (529438620).

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

227905380 is a wasteful number, since it uses less digits than its factorization.

227905380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 227905380 is about 15096.5353641158. The cubic root of 227905380 is about 610.8269533152.

The spelling of 227905380 in words is "two hundred twenty-seven million, nine hundred five thousand, three hundred eighty".