Search a number
-
+
222013230 = 23510769163
BaseRepresentation
bin11010011101110…
…10011100101110
3120110202102220020
431032322130232
5423313410410
634010303010
75334036615
oct1516723456
9513672806
10222013230
1110435890a
1262427a66
1336cc3b9a
14216b287c
1514756a70
hexd3ba72e

222013230 has 32 divisors (see below), whose sum is σ = 537819264. Its totient is φ = 58649376.

The previous prime is 222013223. The next prime is 222013261. The reversal of 222013230 is 32310222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31372 + ... + 37791.

It is an arithmetic number, because the mean of its divisors is an integer number (16806852).

Almost surely, 2222013230 is an apocalyptic number.

222013230 is an abundant number, since it is smaller than the sum of its proper divisors (315806034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222013230 is a wasteful number, since it uses less digits than its factorization.

222013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69280.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222013230 is about 14900.1083888675. The cubic root of 222013230 is about 605.5169226851.

Adding to 222013230 its reverse (32310222), we get a palindrome (254323452).

The spelling of 222013230 in words is "two hundred twenty-two million, thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 107 214 321 535 642 1070 1605 3210 69163 138326 207489 345815 414978 691630 1037445 2074890 7400441 14800882 22201323 37002205 44402646 74004410 111006615 222013230