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2022213 = 3674071
BaseRepresentation
bin111101101101101000101
310210201221210
413231231011
51004202323
6111202033
723121444
oct7555505
93721853
102022213
111161356
12816319
1355a59b
143a8d5b
1529e293
hex1edb45

2022213 has 4 divisors (see below), whose sum is σ = 2696288. Its totient is φ = 1348140.

The previous prime is 2022191. The next prime is 2022217. The reversal of 2022213 is 3122202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2022213 - 26 = 2022149 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337033 + ... + 337038.

It is an arithmetic number, because the mean of its divisors is an integer number (674072).

22022213 is an apocalyptic number.

It is an amenable number.

2022213 is a deficient number, since it is larger than the sum of its proper divisors (674075).

2022213 is an equidigital number, since it uses as much as digits as its factorization.

2022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674074.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2022213 is about 1422.0453579264. The cubic root of 2022213 is about 126.4568324852.

Adding to 2022213 its reverse (3122202), we get a palindrome (5144415).

It can be divided in two parts, 202 and 2213, that added together give a triangular number (2415 = T69).

The spelling of 2022213 in words is "two million, twenty-two thousand, two hundred thirteen".

Divisors: 1 3 674071 2022213