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2223125530 = 251713077209
BaseRepresentation
bin1000010010000010…
…0011010000011010
312201221012110220121
42010200203100122
514023110004110
61004333143454
7106043153353
oct20440432032
95657173817
102223125530
11a4099512a
1252062ab8a
1329576a5c2
1417137ad2a
15d0288cda
hex8482341a

2223125530 has 16 divisors (see below), whose sum is σ = 4237016040. Its totient is φ = 836941312.

The previous prime is 2223125519. The next prime is 2223125563. The reversal of 2223125530 is 355213222.

It can be written as a sum of positive squares in 4 ways, for example, as 2061250801 + 161874729 = 45401^2 + 12723^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2223125495 and 2223125504.

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, 6538435 + ... + 6538774.

Almost surely, 22223125530 is an apocalyptic number.

2223125530 is a deficient number, since it is larger than the sum of its proper divisors (2013890510).

2223125530 is a wasteful number, since it uses less digits than its factorization.

2223125530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13077233.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2223125530 is about 47150.0321314843. The cubic root of 2223125530 is about 1305.1326729565.

Adding to 2223125530 its reverse (355213222), we get a palindrome (2578338752).

The spelling of 2223125530 in words is "two billion, two hundred twenty-three million, one hundred twenty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 13077209 26154418 65386045 130772090 222312553 444625106 1111562765 2223125530