226694147 has 2 divisors, whose sum is σ = 226694148. Its totient is φ = 226694146.

The previous prime is 226694093. The next prime is 226694161. The reversal of 226694147 is 741496622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226694147 is a prime.

It is not a weakly prime, because it can be changed into another prime (226094147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113347073 + 113347074.

It is an arithmetic number, because the mean of its divisors is an integer number (113347074).

Almost surely, 2^226694147 is an apocalyptic number.

226694147 is a deficient number, since it is larger than the sum of its proper divisors (1).

226694147 is an equidigital number, since it uses as much as digits as its factorization.

226694147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 226694147 is about 15056.3656637317. The cubic root of 226694147 is about 609.7429240131.

The spelling of 226694147 in words is "two hundred twenty-six million, six hundred ninety-four thousand, one hundred forty-seven".