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222820323 = 3116752131
BaseRepresentation
bin11010100011111…
…11011111100011
3120112021110000120
431101333133203
5424020222243
634035451323
75343640635
oct1521773743
9515243016
10222820323
1110485a230
1262756b43
133721735b
1421842a55
1514865c83
hexd47f7e3

222820323 has 8 divisors (see below), whose sum is σ = 324102336. Its totient is φ = 135042600.

The previous prime is 222820313. The next prime is 222820361. The reversal of 222820323 is 323028222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222820323 - 29 = 222819811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222820293 and 222820302.

It is not an unprimeable number, because it can be changed into a prime (222820303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3376033 + ... + 3376098.

It is an arithmetic number, because the mean of its divisors is an integer number (40512792).

Almost surely, 2222820323 is an apocalyptic number.

222820323 is a deficient number, since it is larger than the sum of its proper divisors (101282013).

222820323 is a wasteful number, since it uses less digits than its factorization.

222820323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752145.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 222820323 is about 14927.1672798291. The cubic root of 222820323 is about 606.2497881035.

Adding to 222820323 its reverse (323028222), we get a palindrome (545848545).

The spelling of 222820323 in words is "two hundred twenty-two million, eight hundred twenty thousand, three hundred twenty-three".

Divisors: 1 3 11 33 6752131 20256393 74273441 222820323