2206730 has 8 divisors (see below), whose sum is σ = 3972132. Its totient is φ = 882688.

The previous prime is 2206723. The next prime is 2206733. The reversal of 2206730 is 376022.

It can be written as a sum of positive squares in 2 ways, for example, as 2019241 + 187489 = 1421^2 + 433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁹ + 0 + 6⁸ + 7² + 3⁶ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2206733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110327 + ... + 110346.

2^2206730 is an apocalyptic number.

2206730 is a deficient number, since it is larger than the sum of its proper divisors (1765402).

2206730 is a wasteful number, since it uses less digits than its factorization.

2206730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220680.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2206730 is about 1485.5066475785. The cubic root of 2206730 is about 130.1916305971.

The spelling of 2206730 in words is "two million, two hundred six thousand, seven hundred thirty".