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2022000221 is a prime number
BaseRepresentation
bin111100010000101…
…0100011001011101
312012220202020212002
41320201110121131
513120113001341
6532350252045
7101051501243
oct17041243135
95186666762
102022000221
1194840376a
124851b7025
13262bab047
14152784793
15bc7ab29b
hex7885465d

2022000221 has 2 divisors, whose sum is σ = 2022000222. Its totient is φ = 2022000220.

The previous prime is 2022000163. The next prime is 2022000229. The reversal of 2022000221 is 1220002202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2021851225 + 148996 = 44965^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022000221 - 210 = 2021999197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022000229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011000110 + 1011000111.

It is an arithmetic number, because the mean of its divisors is an integer number (1011000111).

Almost surely, 22022000221 is an apocalyptic number.

It is an amenable number.

2022000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022000221 is an equidigital number, since it uses as much as digits as its factorization.

2022000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2022000221 is about 44966.6567692107. The cubic root of 2022000221 is about 1264.5239703051.

Adding to 2022000221 its reverse (1220002202), we get a palindrome (3242002423).

The spelling of 2022000221 in words is "two billion, twenty-two million, two hundred twenty-one", and thus it is an aban number.