Search a number
-
+
224302220 = 22519590269
BaseRepresentation
bin11010101111010…
…01010010001100
3120122001201210122
431113221102030
5424410132340
634131324112
75362352222
oct1527512214
9518051718
10224302220
1110568163a
1263150638
1337615a0c
1421b0ab12
1514a59db5
hexd5e948c

224302220 has 24 divisors (see below), whose sum is σ = 495826800. Its totient is φ = 84998592.

The previous prime is 224302207. The next prime is 224302223. The reversal of 224302220 is 22203422.

224302220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2243022202 = 100622971793856800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (224302223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294755 + ... + 295514.

It is an arithmetic number, because the mean of its divisors is an integer number (20659450).

Almost surely, 2224302220 is an apocalyptic number.

224302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224302220 is an abundant number, since it is smaller than the sum of its proper divisors (271524580).

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

224302220 is a wasteful number, since it uses less digits than its factorization.

224302220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590297 (or 590295 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 224302220 is about 14976.7226054301. The cubic root of 224302220 is about 607.5908019647.

Adding to 224302220 its reverse (22203422), we get a palindrome (246505642).

The spelling of 224302220 in words is "two hundred twenty-four million, three hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 590269 1180538 2361076 2951345 5902690 11215111 11805380 22430222 44860444 56075555 112151110 224302220