227788873 has 8 divisors (see below), whose sum is σ = 245525000. Its totient is φ = 210083328.

The previous prime is 227788801. The next prime is 227788877. The reversal of 227788873 is 378887722.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6017209 + 221771664 = 2453^2 + 14892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 227788873 - 2¹³ = 227780681 is a prime.

It is a super-2 number, since 2×227788873² = 103775541325220258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 227788873.

It is not an unprimeable number, because it can be changed into a prime (227788877) 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 7 ways as a sum of consecutive naturals, for example, 9223 + ... + 23251.

It is an arithmetic number, because the mean of its divisors is an integer number (30690625).

Almost surely, 2^227788873 is an apocalyptic number.

It is an amenable number.

227788873 is a deficient number, since it is larger than the sum of its proper divisors (17736127).

227788873 is a wasteful number, since it uses less digits than its factorization.

227788873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291.

The product of its digits is 2107392, while the sum is 52.

The square root of 227788873 is about 15092.6761377829. The cubic root of 227788873 is about 610.7228490796.

The spelling of 227788873 in words is "two hundred twenty-seven million, seven hundred eighty-eight thousand, eight hundred seventy-three".