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2280222 = 232718097
BaseRepresentation
bin1000101100101100011110
311021211212200
420230230132
51040431342
6120512330
725244610
oct10545436
94254780
102280222
11131818a
1291b6a6
1361ab59
14434db0
1530094c
hex22cb1e

2280222 has 24 divisors (see below), whose sum is σ = 5646576. Its totient is φ = 651456.

The previous prime is 2280221. The next prime is 2280253. The reversal of 2280222 is 2220822.

2280222 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 2280195 and 2280204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280221) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8923 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (235274).

22280222 is an apocalyptic number.

2280222 is an abundant number, since it is smaller than the sum of its proper divisors (3366354).

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

2280222 is a wasteful number, since it uses less digits than its factorization.

2280222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18112 (or 18109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2280222 is about 1510.0403968106. The cubic root of 2280222 is about 131.6211589424.

The spelling of 2280222 in words is "two million, two hundred eighty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 18097 36194 54291 108582 126679 162873 253358 325746 380037 760074 1140111 2280222