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222113320 = 2351113229103
BaseRepresentation
bin11010011110100…
…10111000101000
3120110221112012021
431033102320220
5423330111240
634012354224
75334634462
oct1517227050
9513845167
10222113320
11104417030
1262475974
133702a600
14216db132
151477654a
hexd3d2e28

222113320 has 192 divisors, whose sum is σ = 616636800. Its totient is φ = 71285760.

The previous prime is 222113317. The next prime is 222113321. The reversal of 222113320 is 23311222.

222113320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222113294 and 222113303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222113321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2156389 + ... + 2156491.

It is an arithmetic number, because the mean of its divisors is an integer number (3211650).

Almost surely, 2222113320 is an apocalyptic number.

222113320 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 222113320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308318400).

222113320 is an abundant number, since it is smaller than the sum of its proper divisors (394523480).

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

222113320 is a wasteful number, since it uses less digits than its factorization.

222113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 222113320 is about 14903.4667108026. The cubic root of 222113320 is about 605.6079038748.

Adding to 222113320 its reverse (23311222), we get a palindrome (245424542).

The spelling of 222113320 in words is "two hundred twenty-two million, one hundred thirteen thousand, three hundred twenty".