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1222230323 = 4328423961
BaseRepresentation
bin100100011011001…
…1100000100110011
310011011211201210202
41020312130010303
510000342332243
6321140345415
742200533466
oct11066340463
93134751722
101222230323
11577a0a806
122a13a526b
131662a8b12
14b84792dd
157247c4b8
hex48d9c133

1222230323 has 4 divisors (see below), whose sum is σ = 1250654328. Its totient is φ = 1193806320.

The previous prime is 1222230319. The next prime is 1222230337. The reversal of 1222230323 is 3230322221.

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 1222230323 - 22 = 1222230319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222230295 and 1222230304.

It is not an unprimeable number, because it can be changed into a prime (1222230223) 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, 14211938 + ... + 14212023.

It is an arithmetic number, because the mean of its divisors is an integer number (312663582).

Almost surely, 21222230323 is an apocalyptic number.

1222230323 is a deficient number, since it is larger than the sum of its proper divisors (28424005).

1222230323 is an equidigital number, since it uses as much as digits as its factorization.

1222230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28424004.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1222230323 is about 34960.4107956414. The cubic root of 1222230323 is about 1069.1804721318.

Adding to 1222230323 its reverse (3230322221), we get a palindrome (4452552544).

The spelling of 1222230323 in words is "one billion, two hundred twenty-two million, two hundred thirty thousand, three hundred twenty-three".

Divisors: 1 43 28423961 1222230323