226197031 has 2 divisors, whose sum is σ = 226197032. Its totient is φ = 226197030.

The previous prime is 226197029. The next prime is 226197047. The reversal of 226197031 is 130791622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226197031 - 2¹ = 226197029 is a prime.

It is a super-2 number, since 2×226197031² = 102330193666429922, which contains 22 as substring.

Together with 226197029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 226196984 and 226197002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226197061) 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, 113098515 + 113098516.

It is an arithmetic number, because the mean of its divisors is an integer number (113098516).

Almost surely, 2^226197031 is an apocalyptic number.

226197031 is a deficient number, since it is larger than the sum of its proper divisors (1).

226197031 is an equidigital number, since it uses as much as digits as its factorization.

226197031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 226197031 is about 15039.8481042862. The cubic root of 226197031 is about 609.2968975019.

The spelling of 226197031 in words is "two hundred twenty-six million, one hundred ninety-seven thousand, thirty-one".