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44227220 = 2254351427
BaseRepresentation
bin1010100010110…
…1101010010100
310002012222100012
42220231222110
542310232340
64215535352
71044632222
oct250555224
9102188305
1044227220
1122a68624
121298a558
13921696b
145c33b12
153d39565
hex2a2da94

44227220 has 24 divisors (see below), whose sum is σ = 95038944. Its totient is φ = 17279136.

The previous prime is 44227207. The next prime is 44227237. The reversal of 44227220 is 2272244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24854 + ... + 26573.

It is an arithmetic number, because the mean of its divisors is an integer number (3959956).

Almost surely, 244227220 is an apocalyptic number.

It is an amenable number.

44227220 is an abundant number, since it is smaller than the sum of its proper divisors (50811724).

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

44227220 is a wasteful number, since it uses less digits than its factorization.

44227220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51479 (or 51477 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 44227220 is about 6650.3548777490. The cubic root of 44227220 is about 353.6414917733.

Adding to 44227220 its reverse (2272244), we get a palindrome (46499464).

It can be divided in two parts, 4 and 4227220, that added together give a palindrome (4227224).

The spelling of 44227220 in words is "forty-four million, two hundred twenty-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 51427 102854 205708 257135 514270 1028540 2211361 4422722 8845444 11056805 22113610 44227220