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2204224540 = 225715744461
BaseRepresentation
bin1000001101100001…
…1100110000011100
312200121122012121221
42003120130300130
514003240141130
61002420103124
7105423412420
oct20330346034
95617565557
102204224540
11a31255581
12516234aa4
1329188049b
1416ca5ab80
15cd7a387a
hex8361cc1c

2204224540 has 24 divisors (see below), whose sum is σ = 5290139232. Its totient is φ = 755734080.

The previous prime is 2204224537. The next prime is 2204224559. The reversal of 2204224540 is 454224022.

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 7 ways as a sum of consecutive naturals, for example, 7872091 + ... + 7872370.

It is an arithmetic number, because the mean of its divisors is an integer number (220422468).

Almost surely, 22204224540 is an apocalyptic number.

2204224540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204224540 is an abundant number, since it is smaller than the sum of its proper divisors (3085914692).

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

2204224540 is a wasteful number, since it uses less digits than its factorization.

2204224540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15744477 (or 15744475 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2204224540 is about 46949.1697477176. The cubic root of 2204224540 is about 1301.4233994987.

Adding to 2204224540 its reverse (454224022), we get a palindrome (2658448562).

The spelling of 2204224540 in words is "two billion, two hundred four million, two hundred twenty-four thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15744461 31488922 62977844 78722305 110211227 157444610 220422454 314889220 440844908 551056135 1102112270 2204224540