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BaseRepresentation
bin10000000011110
3102021112
42000132
5230342
6102022
732654
oct20036
912245
108222
1161a5
124912
133986
142dd4
152682
hex201e

8222 has 4 divisors (see below), whose sum is σ = 12336. Its totient is φ = 4110.

The previous prime is 8221. The next prime is 8231. The reversal of 8222 is 2228.

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

8222 is a modest number, since divided by 222 gives 8 as remainder.

It is a plaindrome in base 9.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8197 and 8206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (3084).

28222 is an apocalyptic number.

8222 is a deficient number, since it is larger than the sum of its proper divisors (4114).

8222 is a wasteful number, since it uses less digits than its factorization.

8222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113.

The product of its digits is 64, while the sum is 14.

The square root of 8222 is about 90.6752446923. The cubic root of 8222 is about 20.1833146534.

The spelling of 8222 in words is "eight thousand, two hundred twenty-two".

Divisors: 1 2 4111 8222