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222155113440 = 25351364155541
BaseRepresentation
bin1100111011100101111…
…0100000001111100000
3210020102101001001121110
43032321132200033200
512114433202112230
6250020123023320
722023132210321
oct3167136401740
9706371031543
10222155113440
1186240851907
123707b36ab40
1317c45340660
14aa766bc448
155ba34e24b0
hex33b97a03e0

222155113440 has 192 divisors, whose sum is σ = 754807781952. Its totient is φ = 54598041600.

The previous prime is 222155113393. The next prime is 222155113451. The reversal of 222155113440 is 44311551222.

222155113440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 222155113398 and 222155113407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3972070 + ... + 4027610.

It is an arithmetic number, because the mean of its divisors is an integer number (3931290531).

Almost surely, 2222155113440 is an apocalyptic number.

222155113440 is a gapful number since it is divisible by the number (20) 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 222155113440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377403890976).

222155113440 is an abundant number, since it is smaller than the sum of its proper divisors (532652668512).

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

222155113440 is a wasteful number, since it uses less digits than its factorization.

222155113440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56213 (or 56205 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 222155113440 its reverse (44311551222), we get a palindrome (266466664662).

The spelling of 222155113440 in words is "two hundred twenty-two billion, one hundred fifty-five million, one hundred thirteen thousand, four hundred forty".