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22033212 = 2233675003
BaseRepresentation
bin101010000001…
…1001100111100
31112110101212220
41110003030330
521120030322
62104125340
7355164525
oct124031474
945411786
1022033212
1111489973
127466850
134745a06
142cd784c
151e0355c
hex150333c

22033212 has 24 divisors (see below), whose sum is σ = 51561216. Its totient is φ = 7322928.

The previous prime is 22033211. The next prime is 22033237. The reversal of 22033212 is 21233022.

It is a junction number, because it is equal to n+sod(n) for n = 22033191 and 22033200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903 + ... + 6905.

It is an arithmetic number, because the mean of its divisors is an integer number (2148384).

Almost surely, 222033212 is an apocalyptic number.

It is an amenable number.

22033212 is an abundant number, since it is smaller than the sum of its proper divisors (29528004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22033212 is a wasteful number, since it uses less digits than its factorization.

22033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377 (or 5375 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22033212 is about 4693.9548357435. The cubic root of 22033212 is about 280.3448641866.

Adding to 22033212 its reverse (21233022), we get a palindrome (43266234).

The spelling of 22033212 in words is "twenty-two million, thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 367 734 1101 1468 2202 4404 5003 10006 15009 20012 30018 60036 1836101 3672202 5508303 7344404 11016606 22033212