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22098 = 2329127
BaseRepresentation
bin101011001010010
31010022110
411121102
51201343
6250150
7121266
oct53122
933273
1022098
111566a
1210956
13a09b
1480a6
156833
hex5652

22098 has 16 divisors (see below), whose sum is σ = 46080. Its totient is φ = 7056.

The previous prime is 22093. The next prime is 22109. The reversal of 22098 is 89022.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (22091) by changing a digit.

22098 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 237.

It is an arithmetic number, because the mean of its divisors is an integer number (2880).

222098 is an apocalyptic number.

22098 is an abundant number, since it is smaller than the sum of its proper divisors (23982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23040).

22098 is a wasteful number, since it uses less digits than its factorization.

22098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 22098 is about 148.6539605930. The cubic root of 22098 is about 28.0619377189.

The spelling of 22098 in words is "twenty-two thousand, ninety-eight".

Divisors: 1 2 3 6 29 58 87 127 174 254 381 762 3683 7366 11049 22098