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1122225505 = 51731342181
BaseRepresentation
bin100001011100011…
…1100110101100001
32220012122221222121
41002320330311201
54244242204010
6303205104241
736544521322
oct10270746541
92805587877
101122225505
115265156a5
122739b8081
1314b66307b
14a9086449
15687c63da
hex42e3cd61

1122225505 has 16 divisors (see below), whose sum is σ = 1430475984. Its totient is φ = 842250240.

The previous prime is 1122225491. The next prime is 1122225509. The reversal of 1122225505 is 5055222211.

It can be written as a sum of positive squares in 8 ways, for example, as 325405521 + 796819984 = 18039^2 + 28228^2 .

It is not a de Polignac number, because 1122225505 - 223 = 1113836897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122225505.

It is not an unprimeable number, because it can be changed into a prime (1122225509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5515 + ... + 47695.

It is an arithmetic number, because the mean of its divisors is an integer number (89404749).

Almost surely, 21122225505 is an apocalyptic number.

It is an amenable number.

1122225505 is a deficient number, since it is larger than the sum of its proper divisors (308250479).

1122225505 is a wasteful number, since it uses less digits than its factorization.

1122225505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42516.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1122225505 is about 33499.6344009901. The cubic root of 1122225505 is about 1039.1862177469.

Adding to 1122225505 its reverse (5055222211), we get a palindrome (6177447716).

The spelling of 1122225505 in words is "one billion, one hundred twenty-two million, two hundred twenty-five thousand, five hundred five".

Divisors: 1 5 17 85 313 1565 5321 26605 42181 210905 717077 3585385 13202653 66013265 224445101 1122225505