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3220224401 is a prime number
BaseRepresentation
bin1011111111110000…
…1011100110010001
322022102102100102102
42333330023212101
523043334140101
61251312330145
7142541312222
oct27774134621
98272370372
103220224401
111402807289
1275a543955
133c4200134
14227971249
1513ca9586b
hexbff0b991

3220224401 has 2 divisors, whose sum is σ = 3220224402. Its totient is φ = 3220224400.

The previous prime is 3220224389. The next prime is 3220224421. The reversal of 3220224401 is 1044220223.

It is an a-pointer prime, because the next prime (3220224421) can be obtained adding 3220224401 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3217158400 + 3066001 = 56720^2 + 1751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3220224401 is a prime.

It is not a weakly prime, because it can be changed into another prime (3220224421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610112200 + 1610112201.

It is an arithmetic number, because the mean of its divisors is an integer number (1610112201).

Almost surely, 23220224401 is an apocalyptic number.

It is an amenable number.

3220224401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220224401 is an equidigital number, since it uses as much as digits as its factorization.

3220224401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3220224401 is about 56747.0210760001. The cubic root of 3220224401 is about 1476.7105542031.

Adding to 3220224401 its reverse (1044220223), we get a palindrome (4264444624).

The spelling of 3220224401 in words is "three billion, two hundred twenty million, two hundred twenty-four thousand, four hundred one".