2116228 has 12 divisors (see below), whose sum is σ = 3921372. Its totient is φ = 995840.

The previous prime is 2116199. The next prime is 2116291. The reversal of 2116228 is 8226112.

It can be written as a sum of positive squares in 2 ways, for example, as 1397124 + 719104 = 1182^2 + 848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2116199 and 2116208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15493 + ... + 15628.

It is an arithmetic number, because the mean of its divisors is an integer number (326781).

2^2116228 is an apocalyptic number.

It is an amenable number.

2116228 is a deficient number, since it is larger than the sum of its proper divisors (1805144).

2116228 is a wasteful number, since it uses less digits than its factorization.

2116228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31142 (or 31140 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 2116228 is about 1454.7260910563. The cubic root of 2116228 is about 128.3869313795.

The spelling of 2116228 in words is "two million, one hundred sixteen thousand, two hundred twenty-eight".