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1222000201 is a prime number
BaseRepresentation
bin100100011010110…
…0011111001001001
310011011102001010201
41020311203321021
510000313001301
6321131412201
742165554542
oct11065437111
93134361121
101222000201
11577872924
122a12b4061
13166228156
14b84194c9
1572434201
hex48d63e49

1222000201 has 2 divisors, whose sum is σ = 1222000202. Its totient is φ = 1222000200.

The previous prime is 1222000139. The next prime is 1222000211. The reversal of 1222000201 is 1020002221.

It is an a-pointer prime, because the next prime (1222000211) can be obtained adding 1222000201 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218079801 + 3920400 = 34901^2 + 1980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222000201 - 29 = 1221999689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222000211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611000100 + 611000101.

It is an arithmetic number, because the mean of its divisors is an integer number (611000101).

Almost surely, 21222000201 is an apocalyptic number.

It is an amenable number.

1222000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222000201 is an equidigital number, since it uses as much as digits as its factorization.

1222000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1222000201 is about 34957.1194608480. The cubic root of 1222000201 is about 1069.1133660152.

Adding to 1222000201 its reverse (1020002221), we get a palindrome (2242002422).

The spelling of 1222000201 in words is "one billion, two hundred twenty-two million, two hundred one", and thus it is an aban number.