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7220000201 is a prime number
BaseRepresentation
bin1101011100101100…
…00111010111001001
3200122011201000022212
412232112013113021
5104241310001301
63152233354505
7343626663161
oct65626072711
920564630285
107220000201
113075558017
121495b68a35
138b0a7378b
144c6c675a1
152c3cc44bb
hex1ae5875c9

7220000201 has 2 divisors, whose sum is σ = 7220000202. Its totient is φ = 7220000200.

The previous prime is 7220000197. The next prime is 7220000213. The reversal of 7220000201 is 1020000227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7133491600 + 86508601 = 84460^2 + 9301^2 .

It is an emirp because it is prime and its reverse (1020000227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7220000201 - 22 = 7220000197 is a prime.

It is not a weakly prime, because it can be changed into another prime (7220000701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610000100 + 3610000101.

It is an arithmetic number, because the mean of its divisors is an integer number (3610000101).

Almost surely, 27220000201 is an apocalyptic number.

It is an amenable number.

7220000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

7220000201 is an equidigital number, since it uses as much as digits as its factorization.

7220000201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 7220000201 is about 84970.5843277543. The cubic root of 7220000201 is about 1932.7650774987.

Adding to 7220000201 its reverse (1020000227), we get a palindrome (8240000428).

The spelling of 7220000201 in words is "seven billion, two hundred twenty million, two hundred one", and thus it is an aban number.