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22230221120 = 26569469441
BaseRepresentation
bin10100101101000001…
…100100000101000000
32010101021002020110222
4110231001210011000
5331011414033440
614113514442212
71414612522202
oct245501440500
963337066428
1022230221120
119478420178
124384a33368
13213375aac3
14110c58c772
158a19572b5
hex52d064140

22230221120 has 28 divisors (see below), whose sum is σ = 52935714804. Its totient is φ = 8892088320.

The previous prime is 22230221051. The next prime is 22230221137. The reversal of 22230221120 is 2112203222.

It can be written as a sum of positive squares in 2 ways, for example, as 16717455616 + 5512765504 = 129296^2 + 74248^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34734401 + ... + 34735040.

It is an arithmetic number, because the mean of its divisors is an integer number (1890561243).

Almost surely, 222230221120 is an apocalyptic number.

22230221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22230221120 is an abundant number, since it is smaller than the sum of its proper divisors (30705493684).

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

22230221120 is an equidigital number, since it uses as much as digits as its factorization.

22230221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69469458 (or 69469448 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22230221120 its reverse (2112203222), we get a palindrome (24342424342).

The spelling of 22230221120 in words is "twenty-two billion, two hundred thirty million, two hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 69469441 138938882 277877764 347347205 555755528 694694410 1111511056 1389388820 2223022112 2778777640 4446044224 5557555280 11115110560 22230221120