Search a number
2112223 = 7926737
BaseRepresentation
bin1000000011101011011111
310222022102111
420003223133
51020042343
6113134451
723645041
oct10035337
93868374
102112223
111212a43
1285a427
1358c549
143cda91
152bac9d

2112223 has 4 divisors (see below), whose sum is σ = 2139040. Its totient is φ = 2085408.

The previous prime is 2112217. The next prime is 2112239. The reversal of 2112223 is 3222112.

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 2112223 - 25 = 2112191 is a prime.

It is a super-2 number, since 2×21122232 = 8922972003458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13290 + ... + 13447.

It is an arithmetic number, because the mean of its divisors is an integer number (534760).

22112223 is an apocalyptic number.

2112223 is a deficient number, since it is larger than the sum of its proper divisors (26817).

2112223 is an equidigital number, since it uses as much as digits as its factorization.

2112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26816.

The product of its digits is 48, while the sum is 13.

The square root of 2112223 is about 1453.3488913540. The cubic root of 2112223 is about 128.3058886985.

Adding to 2112223 its reverse (3222112), we get a palindrome (5334335).

It can be divided in two parts, 2 and 112223, that added together give a square (112225 = 3352).

The spelling of 2112223 in words is "two million, one hundred twelve thousand, two hundred twenty-three".

Divisors: 1 79 26737 2112223