3030218 has 4 divisors (see below), whose sum is σ = 4545330. Its totient is φ = 1515108.

The previous prime is 3030217. The next prime is 3030221. The reversal of 3030218 is 8120303.

3030218 = 497² + 498² + ... + 508².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8120303 = 269 ⋅30187.

It can be written as a sum of positive squares in only one way, i.e., 1630729 + 1399489 = 1277^2 + 1183^2 .

It is a super-2 number, since 2×3030218² = 18364442255048, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3030196 and 3030205.

It is not an unprimeable number, because it can be changed into a prime (3030217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757553 + ... + 757556.

Almost surely, 2^3030218 is an apocalyptic number.

3030218 is a deficient number, since it is larger than the sum of its proper divisors (1515112).

3030218 is a wasteful number, since it uses less digits than its factorization.

3030218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515111.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3030218 is about 1740.7521362905. The cubic root of 3030218 is about 144.7075835003.

The spelling of 3030218 in words is "three million, thirty thousand, two hundred eighteen".