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3440224221 = 373741910567
BaseRepresentation
bin1100110100001101…
…1010011111011101
322212202101111102220
43031003122133131
524021144133341
61325211535553
7151152265140
oct31503323735
98782344386
103440224221
111505a0a415
1280015a5b9
1342a96a745
14248c7c057
15152050a66
hexcd0da7dd

3440224221 has 32 divisors (see below), whose sum is σ = 5397288960. Its totient is φ = 1907966016.

The previous prime is 3440224219. The next prime is 3440224237. The reversal of 3440224221 is 1224220443.

It is not a de Polignac number, because 3440224221 - 21 = 3440224219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3440224191 and 3440224200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440224201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320280 + ... + 330846.

It is an arithmetic number, because the mean of its divisors is an integer number (168665280).

Almost surely, 23440224221 is an apocalyptic number.

It is an amenable number.

3440224221 is a deficient number, since it is larger than the sum of its proper divisors (1957064739).

3440224221 is a wasteful number, since it uses less digits than its factorization.

3440224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 3440224221 is about 58653.4246314740. The cubic root of 3440224221 is about 1509.6012602990.

Adding to 3440224221 its reverse (1224220443), we get a palindrome (4664444664).

The spelling of 3440224221 in words is "three billion, four hundred forty million, two hundred twenty-four thousand, two hundred twenty-one".

Divisors: 1 3 7 21 37 111 259 419 777 1257 2933 8799 10567 15503 31701 46509 73969 108521 221907 325563 390979 1172937 2736853 4427573 8210559 13282719 30993011 92979033 163820201 491460603 1146741407 3440224221