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2122223 = 2279349
BaseRepresentation
bin1000000110000111101111
310222211010212
420012013233
51020402343
6113253035
724016145
oct10060757
93884125
102122223
11121a504
1286417b
13593c6c
143d3595
152bdc18
hex2061ef

2122223 has 4 divisors (see below), whose sum is σ = 2131800. Its totient is φ = 2112648.

The previous prime is 2122213. The next prime is 2122231. The reversal of 2122223 is 3222212.

2122223 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 2122223 - 28 = 2121967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122198 and 2122207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122213) 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, 4448 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (532950).

22122223 is an apocalyptic number.

2122223 is a deficient number, since it is larger than the sum of its proper divisors (9577).

2122223 is an equidigital number, since it uses as much as digits as its factorization.

2122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576.

The product of its digits is 96, while the sum is 14.

The square root of 2122223 is about 1456.7851591776. The cubic root of 2122223 is about 128.5080515982.

Adding to 2122223 its reverse (3222212), we get a palindrome (5344435).

The spelling of 2122223 in words is "two million, one hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 227 9349 2122223