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22042 = 2103107
BaseRepresentation
bin101011000011010
31010020101
411120122
51201132
6250014
7121156
oct53032
933211
1022042
1115619
121090a
13a057
148066
1567e7
hex561a

22042 has 8 divisors (see below), whose sum is σ = 33696. Its totient is φ = 10812.

The previous prime is 22039. The next prime is 22051. The reversal of 22042 is 24022.

It is a happy number.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 153 + ... + 259.

It is an arithmetic number, because the mean of its divisors is an integer number (4212).

222042 is an apocalyptic number.

22042 is a deficient number, since it is larger than the sum of its proper divisors (11654).

22042 is a wasteful number, since it uses less digits than its factorization.

22042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 22042 is about 148.4654842042. The cubic root of 22042 is about 28.0382131308.

Adding to 22042 its reverse (24022), we get a palindrome (46064).

It can be divided in two parts, 220 and 42, that added together give a palindrome (262).

The spelling of 22042 in words is "twenty-two thousand, forty-two", and thus it is an iban number.

Divisors: 1 2 103 107 206 214 11021 22042