2228686 has 8 divisors (see below), whose sum is σ = 3358440. Its totient is φ = 1109208.

The previous prime is 2228663. The next prime is 2228687. The reversal of 2228686 is 6868222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (419805).

2^2228686 is an apocalyptic number.

2228686 is a deficient number, since it is larger than the sum of its proper divisors (1129754).

2228686 is a wasteful number, since it uses less digits than its factorization.

2228686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138.

The product of its digits is 18432, while the sum is 34.

The square root of 2228686 is about 1492.8784277362. The cubic root of 2228686 is about 130.6219897355.

The spelling of 2228686 in words is "two million, two hundred twenty-eight thousand, six hundred eighty-six".