226802161 has 4 divisors (see below), whose sum is σ = 226876900. Its totient is φ = 226727424.

The previous prime is 226802159. The next prime is 226802179. The reversal of 226802161 is 161208622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 183439936 + 43362225 = 13544^2 + 6585^2 .

It is a cyclic number.

It is not a de Polignac number, because 226802161 - 2¹ = 226802159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226802101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32616 + ... + 38953.

It is an arithmetic number, because the mean of its divisors is an integer number (56719225).

Almost surely, 2^226802161 is an apocalyptic number.

It is an amenable number.

226802161 is a deficient number, since it is larger than the sum of its proper divisors (74739).

226802161 is an equidigital number, since it uses as much as digits as its factorization.

226802161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74738.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 226802161 is about 15059.9522243598. The cubic root of 226802161 is about 609.8397509721.

The spelling of 226802161 in words is "two hundred twenty-six million, eight hundred two thousand, one hundred sixty-one".