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22143014 = 211071507
BaseRepresentation
bin101010001111…
…0000000100110
31112122222111122
41110132000212
521132034024
62110333542
7356132615
oct124360046
945588448
1022143014
1111554413
1274ba2b2
13478399a
142d2587c
151e25d5e
hex151e026

22143014 has 4 divisors (see below), whose sum is σ = 33214524. Its totient is φ = 11071506.

The previous prime is 22143013. The next prime is 22143019. The reversal of 22143014 is 41034122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22142983 and 22143001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535752 + ... + 5535755.

It is an arithmetic number, because the mean of its divisors is an integer number (8303631).

Almost surely, 222143014 is an apocalyptic number.

22143014 is a deficient number, since it is larger than the sum of its proper divisors (11071510).

22143014 is a wasteful number, since it uses less digits than its factorization.

22143014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11071509.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 22143014 is about 4705.6364075436. The cubic root of 22143014 is about 280.8097900960.

Adding to 22143014 its reverse (41034122), we get a palindrome (63177136).

The spelling of 22143014 in words is "twenty-two million, one hundred forty-three thousand, fourteen".

Divisors: 1 2 11071507 22143014