226021166 has 8 divisors (see below), whose sum is σ = 387464880. Its totient is φ = 96866208.

The previous prime is 226021163. The next prime is 226021193. The reversal of 226021166 is 661120622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226021163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8072171 + ... + 8072198.

It is an arithmetic number, because the mean of its divisors is an integer number (48433110).

Almost surely, 2^226021166 is an apocalyptic number.

226021166 is a deficient number, since it is larger than the sum of its proper divisors (161443714).

226021166 is a wasteful number, since it uses less digits than its factorization.

226021166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16144378.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 226021166 is about 15034.0003325795. Note that the first 3 decimals coincide. The cubic root of 226021166 is about 609.1389499806.

Adding to 226021166 its reverse (661120622), we get a palindrome (887141788).

The spelling of 226021166 in words is "two hundred twenty-six million, twenty-one thousand, one hundred sixty-six".