2210730 has 32 divisors (see below), whose sum is σ = 5400000. Its totient is φ = 579072.

The previous prime is 2210729. The next prime is 2210743. The reversal of 2210730 is 370122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146 + ... + 2394.

It is an arithmetic number, because the mean of its divisors is an integer number (168750).

2^2210730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2700000).

2210730 is an abundant number, since it is smaller than the sum of its proper divisors (3189270).

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

2210730 is a wasteful number, since it uses less digits than its factorization.

2210730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2210730 is about 1486.8523800297. The cubic root of 2210730 is about 130.2702464956.

Adding to 2210730 its reverse (370122), we get a palindrome (2580852).

The spelling of 2210730 in words is "two million, two hundred ten thousand, seven hundred thirty".