226188971 has 2 divisors, whose sum is σ = 226188972. Its totient is φ = 226188970.

The previous prime is 226188953. The next prime is 226189013. The reversal of 226188971 is 179881622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226188971 - 2¹⁴ = 226172587 is a prime.

It is a super-2 number, since 2×226188971² = 102322901204077682, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (226188931) 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, 113094485 + 113094486.

It is an arithmetic number, because the mean of its divisors is an integer number (113094486).

Almost surely, 2^226188971 is an apocalyptic number.

226188971 is a deficient number, since it is larger than the sum of its proper divisors (1).

226188971 is an equidigital number, since it uses as much as digits as its factorization.

226188971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 44.

The square root of 226188971 is about 15039.5801470653. The cubic root of 226188971 is about 609.2896604612.

The spelling of 226188971 in words is "two hundred twenty-six million, one hundred eighty-eight thousand, nine hundred seventy-one".