226522161 has 48 divisors (see below), whose sum is σ = 377395200. Its totient is φ = 129959424.

The previous prime is 226522157. The next prime is 226522201. The reversal of 226522161 is 161225622.

226522161 is a `hidden beast` number, since 2 + 2 + 652 + 2 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 226522161 - 2² = 226522157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226522141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82960 + ... + 85646.

It is an arithmetic number, because the mean of its divisors is an integer number (7862400).

Almost surely, 2^226522161 is an apocalyptic number.

It is an amenable number.

226522161 is a deficient number, since it is larger than the sum of its proper divisors (150873039).

226522161 is a wasteful number, since it uses less digits than its factorization.

226522161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758 (or 2755 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 226522161 is about 15050.6531751948. The cubic root of 226522161 is about 609.5886871570.

Adding to 226522161 its reverse (161225622), we get a palindrome (387747783).

The spelling of 226522161 in words is "two hundred twenty-six million, five hundred twenty-two thousand, one hundred sixty-one".