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2224164225 = 352191560817
BaseRepresentation
bin1000010010010010…
…0000110110000001
312202000011020201210
42010210200312001
514023341223400
61004411320333
7106055040543
oct20444406601
95660136653
102224164225
11a41534558
12520a500a9
13295a4230a
1417156b693
15d03e1950
hex84920d81

2224164225 has 24 divisors (see below), whose sum is σ = 3870828640. Its totient is φ = 1123787520.

The previous prime is 2224164211. The next prime is 2224164277. The reversal of 2224164225 is 5224614222.

It is not a de Polignac number, because 2224164225 - 28 = 2224163969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2224164192 and 2224164201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778984 + ... + 781833.

Almost surely, 22224164225 is an apocalyptic number.

2224164225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2224164225 is a deficient number, since it is larger than the sum of its proper divisors (1646664415).

2224164225 is a wasteful number, since it uses less digits than its factorization.

2224164225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560849 (or 1560844 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 2224164225 is about 47161.0456309018. The cubic root of 2224164225 is about 1305.3359039018.

Adding to 2224164225 its reverse (5224614222), we get a palindrome (7448778447).

The spelling of 2224164225 in words is "two billion, two hundred twenty-four million, one hundred sixty-four thousand, two hundred twenty-five".

Divisors: 1 3 5 15 19 25 57 75 95 285 475 1425 1560817 4682451 7804085 23412255 29655523 39020425 88966569 117061275 148277615 444832845 741388075 2224164225