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14222169 = 331340519
BaseRepresentation
bin110110010000…
…001101011001
3222202120011000
4312100031121
512120102134
61224455213
7231613023
oct66201531
928676130
1014222169
118034365
12491a509
132c3c5b0
141c63013
1513ade99
hexd90359

14222169 has 16 divisors (see below), whose sum is σ = 22691200. Its totient is φ = 8751888.

The previous prime is 14222167. The next prime is 14222191. The reversal of 14222169 is 96122241.

It is not a de Polignac number, because 14222169 - 21 = 14222167 is a prime.

It is a super-2 number, since 2×142221692 = 404540182129122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14222167) 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 15 ways as a sum of consecutive naturals, for example, 19909 + ... + 20610.

It is an arithmetic number, because the mean of its divisors is an integer number (1418200).

Almost surely, 214222169 is an apocalyptic number.

It is an amenable number.

14222169 is a deficient number, since it is larger than the sum of its proper divisors (8469031).

14222169 is a wasteful number, since it uses less digits than its factorization.

14222169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40541 (or 40535 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 14222169 is about 3771.2291099852. The cubic root of 14222169 is about 242.2824434881.

Subtracting from 14222169 its product of digits (1728), we obtain a square (14220441 = 37712).

The spelling of 14222169 in words is "fourteen million, two hundred twenty-two thousand, one hundred sixty-nine".

Divisors: 1 3 9 13 27 39 117 351 40519 121557 364671 526747 1094013 1580241 4740723 14222169