227028120 has 128 divisors (see below), whose sum is σ = 746807040. Its totient is φ = 54755840.

The previous prime is 227028107. The next prime is 227028161. The reversal of 227028120 is 21820722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386467 + ... + 387053.

It is an arithmetic number, because the mean of its divisors is an integer number (5834430).

Almost surely, 2^227028120 is an apocalyptic number.

227028120 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 227028120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373403520).

227028120 is an abundant number, since it is smaller than the sum of its proper divisors (519778920).

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

227028120 is a wasteful number, since it uses less digits than its factorization.

227028120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 227028120 is about 15067.4523393970. The cubic root of 227028120 is about 610.0422079546.

Adding to 227028120 its reverse (21820722), we get a palindrome (248848842).

The spelling of 227028120 in words is "two hundred twenty-seven million, twenty-eight thousand, one hundred twenty".