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BaseRepresentation
bin101011011111101
31010112210
411123331
51203034
6251033
7121632
oct53375
933483
1022269
1115805
1210a79
13a1a0
148189
1568e9
hex56fd

22269 has 8 divisors (see below), whose sum is σ = 32032. Its totient is φ = 13680.

The previous prime is 22259. The next prime is 22271. The reversal of 22269 is 96222.

It is a happy number.

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

It is not a de Polignac number, because 22269 - 28 = 22013 is a prime.

It is a super-2 number, since 2×222692 = 991816722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 210 + 212 + 214 + 62 + 93 .

22269 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22229) 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, 247 + ... + 324.

It is an arithmetic number, because the mean of its divisors is an integer number (4004).

222269 is an apocalyptic number.

It is an amenable number.

22269 is a deficient number, since it is larger than the sum of its proper divisors (9763).

22269 is a wasteful number, since it uses less digits than its factorization.

22269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587.

The product of its digits is 432, while the sum is 21.

The square root of 22269 is about 149.2280134559. The cubic root of 22269 is about 28.1341353040.

The spelling of 22269 in words is "twenty-two thousand, two hundred sixty-nine".

Divisors: 1 3 13 39 571 1713 7423 22269