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73222 = 2311181
BaseRepresentation
bin10001111000000110
310201102221
4101320012
54320342
61322554
7423322
oct217006
9121387
1073222
1150016
123645a
1327436
141c982
1516a67
hex11e06

73222 has 8 divisors (see below), whose sum is σ = 113472. Its totient is φ = 35400.

The previous prime is 73189. The next prime is 73237. The reversal of 73222 is 22237.

It is a happy number.

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

It is a super-2 number, since 2×732222 = 10722922568, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 73196 and 73205.

It is a congruent number.

It is an unprimeable number.

73222 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 529 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (14184).

273222 is an apocalyptic number.

73222 is a deficient number, since it is larger than the sum of its proper divisors (40250).

73222 is a wasteful number, since it uses less digits than its factorization.

73222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214.

The product of its digits is 168, while the sum is 16.

The square root of 73222 is about 270.5956392849. The cubic root of 73222 is about 41.8357149941.

Adding to 73222 its reverse (22237), we get a palindrome (95459).

The spelling of 73222 in words is "seventy-three thousand, two hundred twenty-two", and thus it is an iban number.

Divisors: 1 2 31 62 1181 2362 36611 73222