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22030223 = 41595297
BaseRepresentation
bin101010000001…
…0011110001111
31112110020210012
41110002132033
521114431343
62104103435
7355153025
oct124023617
945406705
1022030223
11114876a6
127464b7b
134744547
142cd6715
151e02718
hex150278f

22030223 has 4 divisors (see below), whose sum is σ = 22039680. Its totient is φ = 22020768.

The previous prime is 22030213. The next prime is 22030231. The reversal of 22030223 is 32203022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22030223 - 210 = 22029199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22030198 and 22030207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030213) 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, 1511 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (5509920).

Almost surely, 222030223 is an apocalyptic number.

22030223 is a deficient number, since it is larger than the sum of its proper divisors (9457).

22030223 is an equidigital number, since it uses as much as digits as its factorization.

22030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22030223 is about 4693.6364367087. The cubic root of 22030223 is about 280.3321865269.

Adding to 22030223 its reverse (32203022), we get a palindrome (54233245).

It can be divided in two parts, 2203022 and 3, that multiplied together give a palindrome (6609066).

The spelling of 22030223 in words is "twenty-two million, thirty thousand, two hundred twenty-three".

Divisors: 1 4159 5297 22030223