2228471 has 16 divisors (see below), whose sum is σ = 2664000. Its totient is φ = 1862784.

The previous prime is 2228449. The next prime is 2228483. The reversal of 2228471 is 1748222.

It is not a de Polignac number, because 2228471 - 2⁶ = 2228407 is a prime.

It is a super-3 number, since 3×2228471³ = 33200315832845193333, which contains 333 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 2228471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24995 + ... + 25083.

It is an arithmetic number, because the mean of its divisors is an integer number (166500).

2^2228471 is an apocalyptic number.

2228471 is a deficient number, since it is larger than the sum of its proper divisors (435529).

2228471 is an frugal number, since it uses more digits than its factorization.

2228471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 169 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 2228471 is about 1492.8064174567. The cubic root of 2228471 is about 130.6177892588.

Subtracting from 2228471 its reverse (1748222), we obtain a square (480249 = 693²).

The spelling of 2228471 in words is "two million, two hundred twenty-eight thousand, four hundred seventy-one".