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2221324 = 22779333
BaseRepresentation
bin1000011110010100001100
311011212002021
420132110030
51032040244
6115335524
724611110
oct10362414
94155067
102221324
111287a06
128b15a4
135ca0c1
1441b740
152dd284
hex21e50c

2221324 has 12 divisors (see below), whose sum is σ = 4442704. Its totient is φ = 951984.

The previous prime is 2221321. The next prime is 2221333. The reversal of 2221324 is 4231222.

2221324 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2221298 and 2221307.

It is not an unprimeable number, because it can be changed into a prime (2221321) 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, 39639 + ... + 39694.

22221324 is an apocalyptic number.

It is an amenable number.

2221324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2221324 is a wasteful number, since it uses less digits than its factorization.

2221324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79344 (or 79342 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 2221324 is about 1490.4106816579. The cubic root of 2221324 is about 130.4780035640.

Adding to 2221324 its reverse (4231222), we get a palindrome (6452546).

The spelling of 2221324 in words is "two million, two hundred twenty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 79333 158666 317332 555331 1110662 2221324