Search a number
-
+
2224420 = 2251110111
BaseRepresentation
bin1000011111000100100100
311012000022221
420133010210
51032140140
6115402124
724623122
oct10370444
94160287
102224420
11128a270
128b3344
135cb633
1441c912
152de14a
hex21f124

2224420 has 24 divisors (see below), whose sum is σ = 5096448. Its totient is φ = 808800.

The previous prime is 2224379. The next prime is 2224429. The reversal of 2224420 is 244222.

It is a junction number, because it is equal to n+sod(n) for n = 2224394 and 2224403.

It is not an unprimeable number, because it can be changed into a prime (2224429) 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, 4836 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (212352).

22224420 is an apocalyptic number.

2224420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2224420 is an abundant number, since it is smaller than the sum of its proper divisors (2872028).

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

2224420 is a wasteful number, since it uses less digits than its factorization.

2224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131 (or 10129 counting only the distinct ones).

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

The square root of 2224420 is about 1491.4489599044. The cubic root of 2224420 is about 130.5385939100.

Adding to 2224420 its reverse (244222), we get a palindrome (2468642).

It can be divided in two parts, 22 and 24420, that added together give a palindrome (24442).

The spelling of 2224420 in words is "two million, two hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 10111 20222 40444 50555 101110 111221 202220 222442 444884 556105 1112210 2224420