226872071 has 2 divisors, whose sum is σ = 226872072. Its totient is φ = 226872070.

The previous prime is 226872059. The next prime is 226872073. The reversal of 226872071 is 170278622.

226872071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226872071 is a prime.

It is a Sophie Germain prime.

Together with 226872073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226872073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113436035 + 113436036.

It is an arithmetic number, because the mean of its divisors is an integer number (113436036).

Almost surely, 2^226872071 is an apocalyptic number.

226872071 is a deficient number, since it is larger than the sum of its proper divisors (1).

226872071 is an equidigital number, since it uses as much as digits as its factorization.

226872071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 226872071 is about 15062.2731020255. The cubic root of 226872071 is about 609.9024039866.

The spelling of 226872071 in words is "two hundred twenty-six million, eight hundred seventy-two thousand, seventy-one".