227104220 has 144 divisors (see below), whose sum is σ = 587774880. Its totient is φ = 73382400.

The previous prime is 227104201. The next prime is 227104243. The reversal of 227104220 is 22401722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 227104192 and 227104201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1733555 + ... + 1733685.

It is an arithmetic number, because the mean of its divisors is an integer number (4081770).

Almost surely, 2^227104220 is an apocalyptic number.

227104220 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 227104220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293887440).

227104220 is an abundant number, since it is smaller than the sum of its proper divisors (360670660).

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

227104220 is a wasteful number, since it uses less digits than its factorization.

227104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 227104220 is about 15069.9774386029. The cubic root of 227104220 is about 610.1103625454.

Adding to 227104220 its reverse (22401722), we get a palindrome (249505942).

The spelling of 227104220 in words is "two hundred twenty-seven million, one hundred four thousand, two hundred twenty".