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BaseRepresentation
bin101011001011110
31010022220
411121132
51201420
6250210
7121314
oct53136
933286
1022110
1115680
1210966
13a0aa
1480b4
156840
hex565e

22110 has 32 divisors (see below), whose sum is σ = 58752. Its totient is φ = 5280.

The previous prime is 22109. The next prime is 22111. The reversal of 22110 is 1122.

Adding to 22110 its reverse (1122), we get a palindrome (23232).

It can be divided in two parts, 221 and 10, that added together give a triangular number (231 = T21).

22110 = 52 + 62 + ... + 402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22109) and next prime (22111).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297 + ... + 363.

It is an arithmetic number, because the mean of its divisors is an integer number (1836).

222110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29376).

22110 is an abundant number, since it is smaller than the sum of its proper divisors (36642).

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

22110 is a wasteful number, since it uses less digits than its factorization.

22110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 22110 is about 148.6943173090. The cubic root of 22110 is about 28.0670163431.

The spelling of 22110 in words is "twenty-two thousand, one hundred ten", and thus it is an iban number.