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2220240044 = 221156389627
BaseRepresentation
bin1000010001010110…
…0010110010101100
312201201202212202202
42010111202302230
514021340140134
61004151241032
7106006505021
oct20425426254
95651685682
102220240044
11a3a2a4230
1251b679178
13294c9a109
14170c29548
15cedb8d7e
hex84562cac

2220240044 has 24 divisors (see below), whose sum is σ = 4246216128. Its totient is φ = 1007396240.

The previous prime is 2220240017. The next prime is 2220240053. The reversal of 2220240044 is 4400420222.

It is a super-2 number, since 2×22202400442 = 9858931705962243872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220239998 and 2220240025.

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 7 ways as a sum of consecutive naturals, for example, 20042 + ... + 69585.

It is an arithmetic number, because the mean of its divisors is an integer number (176925672).

Almost surely, 22220240044 is an apocalyptic number.

It is an amenable number.

2220240044 is a deficient number, since it is larger than the sum of its proper divisors (2025976084).

2220240044 is a wasteful number, since it uses less digits than its factorization.

2220240044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90205 (or 90203 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2220240044 is about 47119.4232137873. The cubic root of 2220240044 is about 1304.5677667011.

Adding to 2220240044 its reverse (4400420222), we get a palindrome (6620660266).

The spelling of 2220240044 in words is "two billion, two hundred twenty million, two hundred forty thousand, forty-four".

Divisors: 1 2 4 11 22 44 563 1126 2252 6193 12386 24772 89627 179254 358508 985897 1971794 3943588 50460001 100920002 201840004 555060011 1110120022 2220240044