227405880 has 160 divisors (see below), whose sum is σ = 823284000. Its totient is φ = 55966464.

The previous prime is 227405869. The next prime is 227405909. The reversal of 227405880 is 88504722.

It is a happy number.

227405880 is a `hidden beast` number, since 2 + 2 + 74 + 0 + 588 + 0 = 666.

227405880 is digitally balanced in base 2, 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39421 + ... + 44819.

It is an arithmetic number, because the mean of its divisors is an integer number (5145525).

Almost surely, 2^227405880 is an apocalyptic number.

227405880 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 227405880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411642000).

227405880 is an abundant number, since it is smaller than the sum of its proper divisors (595878120).

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

227405880 is a wasteful number, since it uses less digits than its factorization.

227405880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 227405880 is about 15079.9827586108. The cubic root of 227405880 is about 610.3803772892.

The spelling of 227405880 in words is "two hundred twenty-seven million, four hundred five thousand, eight hundred eighty".