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2200022261 is a prime number
BaseRepresentation
bin1000001100100001…
…1010110011110101
312200022201201011222
42003020122303311
514001201203021
61002150040125
7105342611033
oct20310326365
95608651158
102200022261
11a29945318
12514949045
13290a3b828
1416c285553
15cd2236ab
hex8321acf5

2200022261 has 2 divisors, whose sum is σ = 2200022262. Its totient is φ = 2200022260.

The previous prime is 2200022213. The next prime is 2200022263. The reversal of 2200022261 is 1622200022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1935472036 + 264550225 = 43994^2 + 16265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2200022261 is a prime.

Together with 2200022263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200022263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100011130 + 1100011131.

It is an arithmetic number, because the mean of its divisors is an integer number (1100011131).

Almost surely, 22200022261 is an apocalyptic number.

It is an amenable number.

2200022261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200022261 is an equidigital number, since it uses as much as digits as its factorization.

2200022261 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 2200022261 is about 46904.3949006913. The cubic root of 2200022261 is about 1300.5958335739.

Adding to 2200022261 its reverse (1622200022), we get a palindrome (3822222283).

The spelling of 2200022261 in words is "two billion, two hundred million, twenty-two thousand, two hundred sixty-one".