2228730 has 32 divisors (see below), whose sum is σ = 6113664. Its totient is φ = 509376.

The previous prime is 2228713. The next prime is 2228731. The reversal of 2228730 is 378222.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁷ + 2²¹ + 8 + 7³ + 3³ + 0 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228730.

It is not an unprimeable number, because it can be changed into a prime (2228731) 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, 5097 + ... + 5516.

It is an arithmetic number, because the mean of its divisors is an integer number (191052).

2^2228730 is an apocalyptic number.

2228730 is an abundant number, since it is smaller than the sum of its proper divisors (3884934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2228730 is a wasteful number, since it uses less digits than its factorization.

2228730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2228730 is about 1492.8931642954. The cubic root of 2228730 is about 130.6228493346.

The spelling of 2228730 in words is "two million, two hundred twenty-eight thousand, seven hundred thirty".