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222380 = 22511119
BaseRepresentation
bin110110010010101100
3102022001022
4312102230
524104010
64433312
71614224
oct662254
9368038
10222380
11142094
12a8838
137a2b2
145b084
1545d55
hex364ac

222380 has 12 divisors (see below), whose sum is σ = 467040. Its totient is φ = 88944.

The previous prime is 222379. The next prime is 222389. The reversal of 222380 is 83222.

222380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5540 + ... + 5579.

It is an arithmetic number, because the mean of its divisors is an integer number (38920).

2222380 is an apocalyptic number.

222380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222380 is an abundant number, since it is smaller than the sum of its proper divisors (244660).

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

222380 is a wasteful number, since it uses less digits than its factorization.

222380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11128 (or 11126 counting only the distinct ones).

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

The square root of 222380 is about 471.5718397021. The cubic root of 222380 is about 60.5850180989.

The spelling of 222380 in words is "two hundred twenty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 11119 22238 44476 55595 111190 222380