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1030422221 is a prime number
BaseRepresentation
bin111101011010101…
…111111011001101
32122210220212112222
4331122233323031
54102242002341
6250125305125
734351305263
oct7532577315
92583825488
101030422221
11489712514
122491051a5
1313562c3ba
149abca433
15606e044b
hex3d6afecd

1030422221 has 2 divisors, whose sum is σ = 1030422222. Its totient is φ = 1030422220.

The previous prime is 1030422191. The next prime is 1030422227. The reversal of 1030422221 is 1222240301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006792900 + 23629321 = 31730^2 + 4861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030422221 - 214 = 1030405837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1030422221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030422227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515211110 + 515211111.

It is an arithmetic number, because the mean of its divisors is an integer number (515211111).

Almost surely, 21030422221 is an apocalyptic number.

It is an amenable number.

1030422221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030422221 is an equidigital number, since it uses as much as digits as its factorization.

1030422221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1030422221 is about 32100.1903576910. The cubic root of 1030422221 is about 1010.0396092691.

Adding to 1030422221 its reverse (1222240301), we get a palindrome (2252662522).

The spelling of 1030422221 in words is "one billion, thirty million, four hundred twenty-two thousand, two hundred twenty-one".