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2220460609 is a prime number
BaseRepresentation
bin1000010001011001…
…1000101001000001
312201202012002022211
42010112120221001
514021414214414
61004200102121
7106011414043
oct20426305101
95652162284
102220460609
11a3a434a14
1251b764941
13295046623
14170c85a93
15cee0e3c4
hex84598a41

2220460609 has 2 divisors, whose sum is σ = 2220460610. Its totient is φ = 2220460608.

The previous prime is 2220460607. The next prime is 2220460633. The reversal of 2220460609 is 9060640222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2178275584 + 42185025 = 46672^2 + 6495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220460609 - 21 = 2220460607 is a prime.

It is a super-2 number, since 2×22204606092 = 9860890632241301762, which contains 22 as substring.

Together with 2220460607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2220460607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110230304 + 1110230305.

It is an arithmetic number, because the mean of its divisors is an integer number (1110230305).

Almost surely, 22220460609 is an apocalyptic number.

It is an amenable number.

2220460609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220460609 is an equidigital number, since it uses as much as digits as its factorization.

2220460609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2220460609 is about 47121.7636448383. The cubic root of 2220460609 is about 1304.6109651025.

The spelling of 2220460609 in words is "two billion, two hundred twenty million, four hundred sixty thousand, six hundred nine".