2206031 has 2 divisors, whose sum is σ = 2206032. Its totient is φ = 2206030.

The previous prime is 2206021. The next prime is 2206081. The reversal of 2206031 is 1306022.

2206031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2206031 - 2¹⁴ = 2189647 is a prime.

It is a super-2 number, since 2×2206031² = 9733145545922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2205997 and 2206015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103015 + 1103016.

It is an arithmetic number, because the mean of its divisors is an integer number (1103016).

2^2206031 is an apocalyptic number.

2206031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206031 is an equidigital number, since it uses as much as digits as its factorization.

2206031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2206031 is about 1485.2713556788. The cubic root of 2206031 is about 130.1778827197.

Subtracting from 2206031 its reverse (1306022), we obtain a palindrome (900009).

The spelling of 2206031 in words is "two million, two hundred six thousand, thirty-one".