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222120132 = 223135924133
BaseRepresentation
bin11010011110101…
…00100011000100
3120110221212112120
431033110203010
5423330321012
634012445540
75334663363
oct1517244304
9513855476
10222120132
11104421163
12624798b0
1337030740
14216dd7da
151477858c
hexd3d48c4

222120132 has 48 divisors (see below), whose sum is σ = 567631680. Its totient is φ = 67183488.

The previous prime is 222120097. The next prime is 222120133. The reversal of 222120132 is 231021222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222120133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2863 + ... + 21270.

It is an arithmetic number, because the mean of its divisors is an integer number (11825660).

Almost surely, 2222120132 is an apocalyptic number.

It is an amenable number.

222120132 is an abundant number, since it is smaller than the sum of its proper divisors (345511548).

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

222120132 is a wasteful number, since it uses less digits than its factorization.

222120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24212 (or 24210 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222120132 is about 14903.6952464817. The cubic root of 222120132 is about 605.6140949471.

Adding to 222120132 its reverse (231021222), we get a palindrome (453141354).

The spelling of 222120132 in words is "two hundred twenty-two million, one hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 59 78 118 156 177 236 354 708 767 1534 2301 3068 4602 9204 24133 48266 72399 96532 144798 289596 313729 627458 941187 1254916 1423847 1882374 2847694 3764748 4271541 5695388 8543082 17086164 18510011 37020022 55530033 74040044 111060066 222120132