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4222 = 22111
BaseRepresentation
bin1000001111110
312210101
41001332
5113342
631314
715211
oct10176
95711
104222
113199
12253a
131bca
141778
1513b7
hex107e

4222 has 4 divisors (see below), whose sum is σ = 6336. Its totient is φ = 2110.

The previous prime is 4219. The next prime is 4229. The reversal of 4222 is 2224.

Adding to 4222 its reverse (2224), we get a palindrome (6446).

It can be divided in two parts, 422 and 2, that added together give a palindrome (424).

It is a happy number.

It is a semiprime because it is the product of two primes.

4222 is a modest number, since divided by 222 gives 4 as remainder.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4199 and 4208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4229) by changing a digit.

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 as a sum of consecutive naturals, namely, 1054 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (1584).

24222 is an apocalyptic number.

4222 is a deficient number, since it is larger than the sum of its proper divisors (2114).

4222 is a wasteful number, since it uses less digits than its factorization.

4222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113.

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

The square root of 4222 is about 64.9769189790. The cubic root of 4222 is about 16.1624083918.

The spelling of 4222 in words is "four thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 2111 4222