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2229887 = 11202717
BaseRepresentation
bin1000100000011001111111
311012021211102
420200121333
51032324022
6115443315
724645062
oct10403177
94167742
102229887
111293390
128b653b
13600c7a
144208d9
152e0a92
hex22067f

2229887 has 4 divisors (see below), whose sum is σ = 2432616. Its totient is φ = 2027160.

The previous prime is 2229883. The next prime is 2229889. The reversal of 2229887 is 7889222.

2229887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2229887 - 22 = 2229883 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 2229887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229883) 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 3 ways as a sum of consecutive naturals, for example, 101348 + ... + 101369.

It is an arithmetic number, because the mean of its divisors is an integer number (608154).

22229887 is an apocalyptic number.

2229887 is a deficient number, since it is larger than the sum of its proper divisors (202729).

2229887 is a wasteful number, since it uses less digits than its factorization.

2229887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202728.

The product of its digits is 32256, while the sum is 38.

The square root of 2229887 is about 1493.2806166290. The cubic root of 2229887 is about 130.6454488258.

The spelling of 2229887 in words is "two million, two hundred twenty-nine thousand, eight hundred eighty-seven".

Divisors: 1 11 202717 2229887