Search a number
-
+
2223022230 = 23251113199091
BaseRepresentation
bin1000010010000000…
…1010000010010110
312201221000020012200
42010200022002112
514023043202410
61004331025330
7106042243242
oct20440120226
95657006180
102223022230
11a40924560
1252059b246
13295732590
14171351422
15d02683c0
hex8480a096

2223022230 has 192 divisors, whose sum is σ = 7148494080. Its totient is φ = 471225600.

The previous prime is 2223022229. The next prime is 2223022247. The reversal of 2223022230 is 322203222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 239985 + ... + 249075.

It is an arithmetic number, because the mean of its divisors is an integer number (37231740).

Almost surely, 22223022230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223022230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3574247040).

2223022230 is an abundant number, since it is smaller than the sum of its proper divisors (4925471850).

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

2223022230 is a wasteful number, since it uses less digits than its factorization.

2223022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147 (or 9144 counting only the distinct ones).

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

The square root of 2223022230 is about 47148.9366794205. The cubic root of 2223022230 is about 1305.1124578297.

Adding to 2223022230 its reverse (322203222), we get a palindrome (2545225452).

The spelling of 2223022230 in words is "two billion, two hundred twenty-three million, twenty-two thousand, two hundred thirty".