Search a number
-
+
222224020 = 225107103843
BaseRepresentation
bin11010011111011…
…01111010010100
3120111011011001021
431033231322110
5423342132040
634015010524
75335605304
oct1517557224
9514134037
10222224020
11104492217
1262509a44
1337068b05
1421729604
151479924a
hexd3ede94

222224020 has 24 divisors (see below), whose sum is σ = 471036384. Its totient is φ = 88058016.

The previous prime is 222224003. The next prime is 222224021. The reversal of 222224020 is 20422222.

It is a junction number, because it is equal to n+sod(n) for n = 222223985 and 222224003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222224021) 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, 49782 + ... + 54061.

It is an arithmetic number, because the mean of its divisors is an integer number (19626516).

Almost surely, 2222224020 is an apocalyptic number.

222224020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222224020 is an abundant number, since it is smaller than the sum of its proper divisors (248812364).

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

222224020 is a wasteful number, since it uses less digits than its factorization.

222224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103959 (or 103957 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 222224020 is about 14907.1801491764. The cubic root of 222224020 is about 605.7084976625.

Adding to 222224020 its reverse (20422222), we get a palindrome (242646242).

The spelling of 222224020 in words is "two hundred twenty-two million, two hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 103843 207686 415372 519215 1038430 2076860 11111201 22222402 44444804 55556005 111112010 222224020