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11222102220 = 223571737107397
BaseRepresentation
bin10100111001110001…
…11011000011001100
31001222002100212012120
422130320323003030
5140440324232340
65053320332540
7545044203120
oct123470730314
931862325176
1011222102220
11483964754a
122212314150
13109ac4cb94
147865a7580
1545a3124d0
hex29ce3b0cc

11222102220 has 384 divisors, whose sum is σ = 39515019264. Its totient is φ = 2321104896.

The previous prime is 11222102219. The next prime is 11222102231. The reversal of 11222102220 is 2220122211.

11222102220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112221022202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11222102220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28267062 + ... + 28267458.

It is an arithmetic number, because the mean of its divisors is an integer number (102903696).

Almost surely, 211222102220 is an apocalyptic number.

11222102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19757509632).

11222102220 is an abundant number, since it is smaller than the sum of its proper divisors (28292917044).

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

11222102220 is a wasteful number, since it uses less digits than its factorization.

11222102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11222102220 its reverse (2220122211), we get a palindrome (13442224431).

The spelling of 11222102220 in words is "eleven billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty".