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222023321 = 1330755631
BaseRepresentation
bin11010011101111…
…00111010011001
3120110202221201222
431032330322121
5423314221241
634010421425
75334111212
oct1516747231
9513687658
10222023321
11104365453
1262431875
1336cc8660
14216b6409
1514759a4b
hexd3bce99

222023321 has 8 divisors (see below), whose sum is σ = 239885184. Its totient is φ = 204273360.

The previous prime is 222023311. The next prime is 222023357. The reversal of 222023321 is 123320222.

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

It is a cyclic number.

It is not a de Polignac number, because 222023321 - 214 = 222006937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222023321.

It is not an unprimeable number, because it can be changed into a prime (222023311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23825 + ... + 31806.

It is an arithmetic number, because the mean of its divisors is an integer number (29985648).

Almost surely, 2222023321 is an apocalyptic number.

It is an amenable number.

222023321 is a deficient number, since it is larger than the sum of its proper divisors (17861863).

222023321 is a wasteful number, since it uses less digits than its factorization.

222023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55951.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222023321 is about 14900.4470067176. The cubic root of 222023321 is about 605.5260965809.

Adding to 222023321 its reverse (123320222), we get a palindrome (345343543).

The spelling of 222023321 in words is "two hundred twenty-two million, twenty-three thousand, three hundred twenty-one".

Divisors: 1 13 307 3991 55631 723203 17078717 222023321