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2220042244 = 22779287223
BaseRepresentation
bin1000010001010011…
…0010100000000100
312201201101211102211
42010110302200010
514021312322434
61004143113204
7106005022240
oct20424624004
95651354384
102220042244
11a3a179662
1251b5a2804
13294c2b084
14170bb7420
15ced7a464
hex84532804

2220042244 has 12 divisors (see below), whose sum is σ = 4440084544. Its totient is φ = 951446664.

The previous prime is 2220042241. The next prime is 2220042269. The reversal of 2220042244 is 4422400222.

It is a happy number.

2220042244 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2220042241) 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, 39643584 + ... + 39643639.

Almost surely, 22220042244 is an apocalyptic number.

It is an amenable number.

2220042244 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.

2220042244 is a wasteful number, since it uses less digits than its factorization.

2220042244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79287234 (or 79287232 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2220042244 is about 47117.3242449102. The cubic root of 2220042244 is about 1304.5290244687.

Adding to 2220042244 its reverse (4422400222), we get a palindrome (6642442466).

The spelling of 2220042244 in words is "two billion, two hundred twenty million, forty-two thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 79287223 158574446 317148892 555010561 1110021122 2220042244