Search a number
-
+
2220251443 is a prime number
BaseRepresentation
bin1000010001010110…
…0101100100110011
312201201210110101221
42010111211210303
514021341021233
61004151405511
7106006553164
oct20425454463
95651713357
102220251443
11a3a301853
1251b683897
13294ca2367
14170c2d76b
15cedbc42d
hex84565933

2220251443 has 2 divisors, whose sum is σ = 2220251444. Its totient is φ = 2220251442.

The previous prime is 2220251431. The next prime is 2220251447. The reversal of 2220251443 is 3441520222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220251443 - 213 = 2220243251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220251447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110125721 + 1110125722.

It is an arithmetic number, because the mean of its divisors is an integer number (1110125722).

Almost surely, 22220251443 is an apocalyptic number.

2220251443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220251443 is an equidigital number, since it uses as much as digits as its factorization.

2220251443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2220251443 is about 47119.5441722434. The cubic root of 2220251443 is about 1304.5699993039.

Adding to 2220251443 its reverse (3441520222), we get a palindrome (5661771665).

The spelling of 2220251443 in words is "two billion, two hundred twenty million, two hundred fifty-one thousand, four hundred forty-three".