2228109 has 8 divisors (see below), whose sum is σ = 3199392. Its totient is φ = 1371120.

The previous prime is 2228101. The next prime is 2228113. The reversal of 2228109 is 9018222.

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

It is not a de Polignac number, because 2228109 - 2³ = 2228101 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28527 + ... + 28604.

It is an arithmetic number, because the mean of its divisors is an integer number (399924).

2^2228109 is an apocalyptic number.

It is an amenable number.

2228109 is a deficient number, since it is larger than the sum of its proper divisors (971283).

2228109 is a wasteful number, since it uses less digits than its factorization.

2228109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57147.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2228109 is about 1492.6851643933. The cubic root of 2228109 is about 130.6107162178.

The spelling of 2228109 in words is "two million, two hundred twenty-eight thousand, one hundred nine".