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BaseRepresentation
bin1110000110110
3100220111
41300312
5212342
653234
730025
oct16066
910814
107222
115476
12421a
133397
1428bc
152217
hex1c36

7222 has 8 divisors (see below), whose sum is σ = 11376. Its totient is φ = 3432.

The previous prime is 7219. The next prime is 7229. The reversal of 7222 is 2227.

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

It is a plaindrome in base 14.

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 (7229) 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 in 3 ways as a sum of consecutive naturals, for example, 33 + ... + 124.

It is an arithmetic number, because the mean of its divisors is an integer number (1422).

27222 is an apocalyptic number.

7222 is a deficient number, since it is larger than the sum of its proper divisors (4154).

7222 is a wasteful number, since it uses less digits than its factorization.

7222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182.

The product of its digits is 56, while the sum is 13.

The square root of 7222 is about 84.9823511089. The cubic root of 7222 is about 19.3294350708.

Adding to 7222 its reverse (2227), we get a palindrome (9449).

It can be divided in two parts, 722 and 2, that multiplied together give a square (1444 = 382).

The spelling of 7222 in words is "seven thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 23 46 157 314 3611 7222