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2222568 = 233230869
BaseRepresentation
bin1000011110100111101000
311011220210100
420132213220
51032110233
6115345400
724614535
oct10364750
94156710
102222568
111288937
128b2260
135ca83a
1441bd8c
152dd813
hex21e9e8

2222568 has 24 divisors (see below), whose sum is σ = 6019650. Its totient is φ = 740832.

The previous prime is 2222567. The next prime is 2222573. The reversal of 2222568 is 8652222.

2222568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 26244 = 1482^2 + 162^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2222567) 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 5 ways as a sum of consecutive naturals, for example, 15363 + ... + 15506.

22222568 is an apocalyptic number.

It is an amenable number.

2222568 is an abundant number, since it is smaller than the sum of its proper divisors (3797082).

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

2222568 is a wasteful number, since it uses less digits than its factorization.

2222568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30881 (or 30874 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2222568 is about 1490.8279578811. The cubic root of 2222568 is about 130.5023560591.

The spelling of 2222568 in words is "two million, two hundred twenty-two thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 30869 61738 92607 123476 185214 246952 277821 370428 555642 740856 1111284 2222568