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2220442044 = 223185036837
BaseRepresentation
bin1000010001011001…
…0100000110111100
312201202011010212020
42010112110012330
514021413121134
61004155440140
7106011305652
oct20426240674
95652133766
102220442044
11a3a421a77
1251b756050
1329503b042
14170c7cdd2
15cee08b49
hex845941bc

2220442044 has 12 divisors (see below), whose sum is σ = 5181031464. Its totient is φ = 740147344.

The previous prime is 2220442013. The next prime is 2220442061. The reversal of 2220442044 is 4402440222.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92518407 + ... + 92518430.

It is an arithmetic number, because the mean of its divisors is an integer number (431752622).

Almost surely, 22220442044 is an apocalyptic number.

It is an amenable number.

2220442044 is an abundant number, since it is smaller than the sum of its proper divisors (2960589420).

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

2220442044 is a wasteful number, since it uses less digits than its factorization.

2220442044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185036844 (or 185036842 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 2220442044 is about 47121.5666547707. The cubic root of 2220442044 is about 1304.6073291947.

Adding to 2220442044 its reverse (4402440222), we get a palindrome (6622882266).

The spelling of 2220442044 in words is "two billion, two hundred twenty million, four hundred forty-two thousand, forty-four".

Divisors: 1 2 3 4 6 12 185036837 370073674 555110511 740147348 1110221022 2220442044