226171009 has 16 divisors (see below), whose sum is σ = 250629120. Its totient is φ = 203143680.

The previous prime is 226171007. The next prime is 226171021. The reversal of 226171009 is 900171622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 226171009 - 2¹ = 226171007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226171007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35532 + ... + 41410.

It is an arithmetic number, because the mean of its divisors is an integer number (15664320).

Almost surely, 2^226171009 is an apocalyptic number.

It is an amenable number.

226171009 is a deficient number, since it is larger than the sum of its proper divisors (24458111).

226171009 is a wasteful number, since it uses less digits than its factorization.

226171009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 226171009 is about 15038.9829775820. The cubic root of 226171009 is about 609.2735318373.

The spelling of 226171009 in words is "two hundred twenty-six million, one hundred seventy-one thousand, nine".