2206309331 has 4 divisors (see below), whose sum is σ = 2222182200. Its totient is φ = 2190436464.

The previous prime is 2206309319. The next prime is 2206309333. The reversal of 2206309331 is 1339036022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1339036022 = 2 ⋅669518011.

It is a cyclic number.

It is not a de Polignac number, because 2206309331 - 2⁶ = 2206309267 is a prime.

It is a super-2 number, since 2×2206309331² = 9735601728115335122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2206309294 and 2206309303.

It is not an unprimeable number, because it can be changed into a prime (2206309333) 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, 7936226 + ... + 7936503.

It is an arithmetic number, because the mean of its divisors is an integer number (555545550).

Almost surely, 2^2206309331 is an apocalyptic number.

2206309331 is a deficient number, since it is larger than the sum of its proper divisors (15872869).

2206309331 is a wasteful number, since it uses less digits than its factorization.

2206309331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15872868.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 2206309331 is about 46971.3671399928. The cubic root of 2206309331 is about 1301.8335725997.

The spelling of 2206309331 in words is "two billion, two hundred six million, three hundred nine thousand, three hundred thirty-one".