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222241120 = 2551389007
BaseRepresentation
bin11010011111100…
…10000101100000
3120111012000111121
431033302011200
5423343203440
634015222024
75336006203
oct1517620540
9514160447
10222241120
111044a4052
1262517914
133707382a
142173193a
151479e34a
hexd3f2160

222241120 has 24 divisors (see below), whose sum is σ = 525045024. Its totient is φ = 88896384.

The previous prime is 222241087. The next prime is 222241133. The reversal of 222241120 is 21142222.

It is a super-2 number, since 2×2222411202 = 98782230837708800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 222241094 and 222241103.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 694344 + ... + 694663.

It is an arithmetic number, because the mean of its divisors is an integer number (21876876).

Almost surely, 2222241120 is an apocalyptic number.

222241120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222241120 is an abundant number, since it is smaller than the sum of its proper divisors (302803904).

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

222241120 is a wasteful number, since it uses less digits than its factorization.

222241120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389022 (or 1389014 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 222241120 is about 14907.7536872595. The cubic root of 222241120 is about 605.7240335613.

Adding to 222241120 its reverse (21142222), we get a palindrome (243383342).

The spelling of 222241120 in words is "two hundred twenty-two million, two hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1389007 2778014 5556028 6945035 11112056 13890070 22224112 27780140 44448224 55560280 111120560 222241120