227800220 has 24 divisors (see below), whose sum is σ = 494877600. Its totient is φ = 87977792.

The previous prime is 227800207. The next prime is 227800241. The reversal of 227800220 is 22008722.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195800 + ... + 196959.

It is an arithmetic number, because the mean of its divisors is an integer number (20619900).

Almost surely, 2^227800220 is an apocalyptic number.

227800220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227800220 is an abundant number, since it is smaller than the sum of its proper divisors (267077380).

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

227800220 is a wasteful number, since it uses less digits than its factorization.

227800220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392797 (or 392795 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 227800220 is about 15093.0520439042. The cubic root of 227800220 is about 610.7329896936.

Adding to 227800220 its reverse (22008722), we get a palindrome (249808942).

The spelling of 227800220 in words is "two hundred twenty-seven million, eight hundred thousand, two hundred twenty".