227411920 has 20 divisors (see below), whose sum is σ = 528732900. Its totient is φ = 90964736.

The previous prime is 227411887. The next prime is 227411929. The reversal of 227411920 is 29114722.

It can be written as a sum of positive squares in 2 ways, for example, as 56430144 + 170981776 = 7512^2 + 13076^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227411929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421245 + ... + 1421404.

It is an arithmetic number, because the mean of its divisors is an integer number (26436645).

Almost surely, 2^227411920 is an apocalyptic number.

227411920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227411920 is an abundant number, since it is smaller than the sum of its proper divisors (301320980).

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

227411920 is a wasteful number, since it uses less digits than its factorization.

227411920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842662 (or 2842656 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 227411920 is about 15080.1830227620. The cubic root of 227411920 is about 610.3857812316.

The spelling of 227411920 in words is "two hundred twenty-seven million, four hundred eleven thousand, nine hundred twenty".