226694161 has 2 divisors, whose sum is σ = 226694162. Its totient is φ = 226694160.

The previous prime is 226694147. The next prime is 226694179. The reversal of 226694161 is 161496622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226683136 + 11025 = 15056^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 226694161 - 2¹³ = 226685969 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226694161.

It is not a weakly prime, because it can be changed into another prime (226694191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113347080 + 113347081.

It is an arithmetic number, because the mean of its divisors is an integer number (113347081).

Almost surely, 2^226694161 is an apocalyptic number.

It is an amenable number.

226694161 is a deficient number, since it is larger than the sum of its proper divisors (1).

226694161 is an equidigital number, since it uses as much as digits as its factorization.

226694161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 226694161 is about 15056.3661286514. The cubic root of 226694161 is about 609.7429365651.

The spelling of 226694161 in words is "two hundred twenty-six million, six hundred ninety-four thousand, one hundred sixty-one".