226210031 has 2 divisors, whose sum is σ = 226210032. Its totient is φ = 226210030.

The previous prime is 226210027. The next prime is 226210043. The reversal of 226210031 is 130012622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226210031 - 2² = 226210027 is a prime.

It is a super-2 number, since 2×226210031² = 102341956250041922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 226209991 and 226210009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113105015 + 113105016.

It is an arithmetic number, because the mean of its divisors is an integer number (113105016).

Almost surely, 2^226210031 is an apocalyptic number.

226210031 is a deficient number, since it is larger than the sum of its proper divisors (1).

226210031 is an equidigital number, since it uses as much as digits as its factorization.

226210031 is an odious number, because the sum of its binary digits is odd.

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

The square root of 226210031 is about 15040.2802832926. The cubic root of 226210031 is about 609.3085697859.

Adding to 226210031 its reverse (130012622), we get a palindrome (356222653).

The spelling of 226210031 in words is "two hundred twenty-six million, two hundred ten thousand, thirty-one".