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2022213197 is a prime number
BaseRepresentation
bin111100010001000…
…1000011001001101
312012221011002000002
41320202020121031
513120141310242
6532355014045
7101053346204
oct17042103115
95187132002
102022213197
11948539784
1248529a325
13262c53c74
141527dc23b
15bc7ee432
hex7888864d

2022213197 has 2 divisors, whose sum is σ = 2022213198. Its totient is φ = 2022213196.

The previous prime is 2022213191. The next prime is 2022213209. The reversal of 2022213197 is 7913122202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382426761 + 639786436 = 37181^2 + 25294^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022213197 - 210 = 2022212173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022213191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011106598 + 1011106599.

It is an arithmetic number, because the mean of its divisors is an integer number (1011106599).

Almost surely, 22022213197 is an apocalyptic number.

It is an amenable number.

2022213197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022213197 is an equidigital number, since it uses as much as digits as its factorization.

2022213197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2022213197 is about 44969.0248615644. The cubic root of 2022213197 is about 1264.5683659155.

Adding to 2022213197 its reverse (7913122202), we get a palindrome (9935335399).

The spelling of 2022213197 in words is "two billion, twenty-two million, two hundred thirteen thousand, one hundred ninety-seven".