2228171 has 8 divisors (see below), whose sum is σ = 2536704. Its totient is φ = 1937320.

The previous prime is 2228167. The next prime is 2228183. The reversal of 2228171 is 1718222.

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

It is not a de Polignac number, because 2228171 - 2² = 2228167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian 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, 4151 + ... + 4656.

It is an arithmetic number, because the mean of its divisors is an integer number (317088).

2^2228171 is an apocalyptic number.

2228171 is a deficient number, since it is larger than the sum of its proper divisors (308533).

2228171 is a wasteful number, since it uses less digits than its factorization.

2228171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841.

The product of its digits is 448, while the sum is 23.

The square root of 2228171 is about 1492.7059321916. The cubic root of 2228171 is about 130.6119276770.

The spelling of 2228171 in words is "two million, two hundred twenty-eight thousand, one hundred seventy-one".