2228207 has 4 divisors (see below), whose sum is σ = 2359296. Its totient is φ = 2097120.

The previous prime is 2228201. The next prime is 2228209. The reversal of 2228207 is 7028222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2228207 - 2⁶ = 2228143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65519 + ... + 65552.

It is an arithmetic number, because the mean of its divisors is an integer number (589824).

2^2228207 is an apocalyptic number.

2228207 is a deficient number, since it is larger than the sum of its proper divisors (131089).

2228207 is a wasteful number, since it uses less digits than its factorization.

2228207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131088.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2228207 is about 1492.7179907806. The cubic root of 2228207 is about 130.6126310946.

The spelling of 2228207 in words is "two million, two hundred twenty-eight thousand, two hundred seven".