2130228 has 36 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 694416.

The previous prime is 2130209. The next prime is 2130239. The reversal of 2130228 is 8220312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁵ + 0 + 2²⁰ + 2²⁰ + 8² .

It is a self number, because there is not a number n which added to its sum of digits gives 2130228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1063 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

2^2130228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751840).

2130228 is an abundant number, since it is smaller than the sum of its proper divisors (3373452).

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

2130228 is a wasteful number, since it uses less digits than its factorization.

2130228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2130228 is about 1459.5300613554. The cubic root of 2130228 is about 128.6694258165.

The spelling of 2130228 in words is "two million, one hundred thirty thousand, two hundred twenty-eight".