222169 has 8 divisors (see below), whose sum is σ = 236160. Its totient is φ = 208656.

The previous prime is 222163. The next prime is 222193. The reversal of 222169 is 961222.

222169 = T₁₀₉ + T₁₁₀ + ... + T₁₃₇.

It is a happy number.

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 222169 - 2³ = 222161 is a prime.

It is a super-2 number, since 2×222169² = 98718129122, which contains 22 as substring.

It is a Duffinian number.

222169 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (222161) 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, 1282 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (29520).

2²²²¹⁶⁹ is an apocalyptic number.

222169 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

222169 is a deficient number, since it is larger than the sum of its proper divisors (13991).

222169 is a wasteful number, since it uses less digits than its factorization.

222169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239.

The product of its digits is 432, while the sum is 22.

The square root of 222169 is about 471.3480667193. The cubic root of 222169 is about 60.5658504818.

The spelling of 222169 in words is "two hundred twenty-two thousand, one hundred sixty-nine".