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2242142233 = 2758181293
BaseRepresentation
bin1000010110100100…
…0110000000011001
312210020222121220221
42011221012000121
514042442022413
61010252520041
7106363615552
oct20551060031
95706877827
102242142233
11a506a3711
12526a80021
132996982a6
14173acb329
15d1c9368d
hex85a46019

2242142233 has 4 divisors (see below), whose sum is σ = 2242251108. Its totient is φ = 2242033360.

The previous prime is 2242142209. The next prime is 2242142237. The reversal of 2242142233 is 3322412422.

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 can be written as a sum of positive squares in 2 ways, for example, as 1499470729 + 742671504 = 38723^2 + 27252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2242142233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2242142198 and 2242142207.

It is not an unprimeable number, because it can be changed into a prime (2242142237) 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, 13066 + ... + 68227.

It is an arithmetic number, because the mean of its divisors is an integer number (560562777).

Almost surely, 22242142233 is an apocalyptic number.

It is an amenable number.

2242142233 is a deficient number, since it is larger than the sum of its proper divisors (108875).

2242142233 is an equidigital number, since it uses as much as digits as its factorization.

2242142233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108874.

The product of its digits is 4608, while the sum is 25.

The square root of 2242142233 is about 47351.2643231414. The cubic root of 2242142233 is about 1308.8434975001.

Adding to 2242142233 its reverse (3322412422), we get a palindrome (5564554655).

The spelling of 2242142233 in words is "two billion, two hundred forty-two million, one hundred forty-two thousand, two hundred thirty-three".

Divisors: 1 27581 81293 2242142233