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440220022 = 21127125621
BaseRepresentation
bin11010001111010…
…011100101110110
31010200100111100021
4122033103211312
51400144020042
6111403235354
713623544204
oct3217234566
91120314307
10440220022
11206546900
12103518b5a
1370284328
1442674074
15289aa867
hex1a3d3976

440220022 has 24 divisors (see below), whose sum is σ = 736068816. Its totient is φ = 197274000.

The previous prime is 440219963. The next prime is 440220031. The reversal of 440220022 is 220022044.

It is a junction number, because it is equal to n+sod(n) for n = 440219978 and 440220005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4372 + ... + 29992.

It is an arithmetic number, because the mean of its divisors is an integer number (30669534).

Almost surely, 2440220022 is an apocalyptic number.

440220022 is a deficient number, since it is larger than the sum of its proper divisors (295848794).

440220022 is a wasteful number, since it uses less digits than its factorization.

440220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25716 (or 25705 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 440220022 is about 20981.4208765755. The cubic root of 440220022 is about 760.7172487849.

Adding to 440220022 its reverse (220022044), we get a palindrome (660242066).

The spelling of 440220022 in words is "four hundred forty million, two hundred twenty thousand, twenty-two".

Divisors: 1 2 11 22 71 121 142 242 781 1562 8591 17182 25621 51242 281831 563662 1819091 3100141 3638182 6200282 20010001 40020002 220110011 440220022