2226172169 has 8 divisors (see below), whose sum is σ = 2408781312. Its totient is φ = 2045186640.

The previous prime is 2226172141. The next prime is 2226172187. The reversal of 2226172169 is 9612716222.

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

It is a cyclic number.

It is not a de Polignac number, because 2226172169 - 2¹² = 2226168073 is a prime.

It is a super-2 number, since 2×2226172169² = 9911685052060329122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2226172469) 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 7 ways as a sum of consecutive naturals, for example, 403049 + ... + 408534.

It is an arithmetic number, because the mean of its divisors is an integer number (301097664).

Almost surely, 2^2226172169 is an apocalyptic number.

It is an amenable number.

2226172169 is a deficient number, since it is larger than the sum of its proper divisors (182609143).

2226172169 is a wasteful number, since it uses less digits than its factorization.

2226172169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811807.

The product of its digits is 36288, while the sum is 38.

The square root of 2226172169 is about 47182.3289908415. The cubic root of 2226172169 is about 1305.7285986821.

The spelling of 2226172169 in words is "two billion, two hundred twenty-six million, one hundred seventy-two thousand, one hundred sixty-nine".