2206530 has 24 divisors (see below), whose sum is σ = 5737212. Its totient is φ = 588384.

The previous prime is 2206517. The next prime is 2206543. The reversal of 2206530 is 356022.

It is an interprime number because it is at equal distance from previous prime (2206517) and next prime (2206543).

It can be written as a sum of positive squares in 2 ways, for example, as 2099601 + 106929 = 1449^2 + 327^2 .

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

It is a Curzon 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, 12169 + ... + 12348.

2^2206530 is an apocalyptic number.

2206530 is an abundant number, since it is smaller than the sum of its proper divisors (3530682).

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

2206530 is a wasteful number, since it uses less digits than its factorization.

2206530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24530 (or 24527 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2206530 is about 1485.4393289529. The cubic root of 2206530 is about 130.1876973092.

The spelling of 2206530 in words is "two million, two hundred six thousand, five hundred thirty".