2213203066 has 4 divisors (see below), whose sum is σ = 3319804602. Its totient is φ = 1106601532.

The previous prime is 2213203043. The next prime is 2213203067. The reversal of 2213203066 is 6603023122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6603023122 = 2 ⋅3301511561.

It can be written as a sum of positive squares in only one way, i.e., 2211726841 + 1476225 = 47029^2 + 1215^2 .

It is a super-2 number, since 2×2213203066² = 9796535622703600712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2213203066.

It is not an unprimeable number, because it can be changed into a prime (2213203067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553300765 + ... + 553300768.

Almost surely, 2^2213203066 is an apocalyptic number.

2213203066 is a deficient number, since it is larger than the sum of its proper divisors (1106601536).

2213203066 is a wasteful number, since it uses less digits than its factorization.

2213203066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106601535.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 2213203066 is about 47044.6922192079. The cubic root of 2213203066 is about 1303.1880464303.

Adding to 2213203066 its reverse (6603023122), we get a palindrome (8816226188).

The spelling of 2213203066 in words is "two billion, two hundred thirteen million, two hundred three thousand, sixty-six".