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222220323 = 321312231553
BaseRepresentation
bin11010011111011…
…01000000100011
3120111010221222100
431033231000203
5423342022243
634014541443
75335561443
oct1517550043
9514127870
10222220323
1110448a466
1262507883
1337067220
1421728123
15147980d3
hexd3ed023

222220323 has 24 divisors (see below), whose sum is σ = 346181472. Its totient is φ = 136551168.

The previous prime is 222220309. The next prime is 222220331. The reversal of 222220323 is 323022222.

222220323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222220323 - 25 = 222220291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222220296 and 222220305.

It is not an unprimeable number, because it can be changed into a prime (222220343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142315 + ... + 143867.

It is an arithmetic number, because the mean of its divisors is an integer number (14424228).

Almost surely, 2222220323 is an apocalyptic number.

222220323 is a deficient number, since it is larger than the sum of its proper divisors (123961149).

222220323 is a wasteful number, since it uses less digits than its factorization.

222220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795 (or 2792 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 222220323 is about 14907.0561480126. The cubic root of 222220323 is about 605.7051387146.

Adding to 222220323 its reverse (323022222), we get a palindrome (545242545).

The spelling of 222220323 in words is "two hundred twenty-two million, two hundred twenty thousand, three hundred twenty-three".

Divisors: 1 3 9 13 39 117 1223 1553 3669 4659 11007 13977 15899 20189 47697 60567 143091 181701 1899319 5697957 17093871 24691147 74073441 222220323