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BaseRepresentation
bin101011001001101
31010022021
411121031
51201333
6250141
7121261
oct53115
933267
1022093
1115665
1210951
13a096
1480a1
15682d
hex564d

22093 has 2 divisors, whose sum is σ = 22094. Its totient is φ = 22092.

The previous prime is 22091. The next prime is 22109. The reversal of 22093 is 39022.

It is an a-pointer prime, because the next prime (22109) can be obtained adding 22093 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21609 + 484 = 147^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 22093 - 21 = 22091 is a prime.

Together with 22091, it forms a pair of twin primes.

22093 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11046 + 11047.

It is an arithmetic number, because the mean of its divisors is an integer number (11047).

222093 is an apocalyptic number.

It is an amenable number.

22093 is a deficient number, since it is larger than the sum of its proper divisors (1).

22093 is an equidigital number, since it uses as much as digits as its factorization.

22093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 22093 is about 148.6371420608. The cubic root of 22093 is about 28.0598210828.

Adding to 22093 its product of nonzero digits (108), we get a square (22201 = 1492).

It can be divided in two parts, 220 and 93, that added together give a palindrome (313).

The spelling of 22093 in words is "twenty-two thousand, ninety-three".