226630031 has 2 divisors, whose sum is σ = 226630032. Its totient is φ = 226630030.

The previous prime is 226630003. The next prime is 226630087. The reversal of 226630031 is 130036622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226630031 is a prime.

It is a super-2 number, since 2×226630031² = 102722341902121922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 226629979 and 226630006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226630091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113315015 + 113315016.

It is an arithmetic number, because the mean of its divisors is an integer number (113315016).

Almost surely, 2^226630031 is an apocalyptic number.

226630031 is a deficient number, since it is larger than the sum of its proper divisors (1).

226630031 is an equidigital number, since it uses as much as digits as its factorization.

226630031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 226630031 is about 15054.2363140745. The cubic root of 226630031 is about 609.6854339778.

Adding to 226630031 its reverse (130036622), we get a palindrome (356666653).

The spelling of 226630031 in words is "two hundred twenty-six million, six hundred thirty thousand, thirty-one".