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2224428 = 223185369
BaseRepresentation
bin1000011111000100101100
311012000100020
420133010230
51032140203
6115402140
724623133
oct10370454
94160306
102224428
11128a278
128b3350
135cb63b
1441c91a
152de153
hex21f12c

2224428 has 12 divisors (see below), whose sum is σ = 5190360. Its totient is φ = 741472.

The previous prime is 2224379. The next prime is 2224429. The reversal of 2224428 is 8244222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2224398 and 2224407.

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 3 ways as a sum of consecutive naturals, for example, 92673 + ... + 92696.

It is an arithmetic number, because the mean of its divisors is an integer number (432530).

22224428 is an apocalyptic number.

It is an amenable number.

2224428 is an abundant number, since it is smaller than the sum of its proper divisors (2965932).

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

2224428 is a wasteful number, since it uses less digits than its factorization.

2224428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185376 (or 185374 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 2224428 is about 1491.4516418577. The cubic root of 2224428 is about 130.5387504014.

The spelling of 2224428 in words is "two million, two hundred twenty-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 185369 370738 556107 741476 1112214 2224428