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2224085 = 5444817
BaseRepresentation
bin1000011110111111010101
311011222212112
420132333111
51032132320
6115400405
724622133
oct10367725
94158775
102224085
111289a96
128b3105
135cb436
1441c753
152ddec5
hex21efd5

2224085 has 4 divisors (see below), whose sum is σ = 2668908. Its totient is φ = 1779264.

The previous prime is 2224073. The next prime is 2224099. The reversal of 2224085 is 5804222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5804222 = 22902111.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 1129969 = 1046^2 + 1063^2 .

It is a cyclic number.

It is not a de Polignac number, because 2224085 - 24 = 2224069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2224085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222404 + ... + 222413.

It is an arithmetic number, because the mean of its divisors is an integer number (667227).

22224085 is an apocalyptic number.

It is an amenable number.

2224085 is a deficient number, since it is larger than the sum of its proper divisors (444823).

2224085 is an equidigital number, since it uses as much as digits as its factorization.

2224085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444822.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2224085 is about 1491.3366487819. The cubic root of 2224085 is about 130.5320404977.

The spelling of 2224085 in words is "two million, two hundred twenty-four thousand, eighty-five".

Divisors: 1 5 444817 2224085