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2221001053 is a prime number
BaseRepresentation
bin1000010001100001…
…1100100101011101
312201210012112200021
42010120130211131
514022034013203
61004215432141
7106016124505
oct20430344535
95653175607
102221001053
11a3a773a67
1251b985651
132951a560b
14170d86a05
15ceeb95bd
hex8461c95d

2221001053 has 2 divisors, whose sum is σ = 2221001054. Its totient is φ = 2221001052.

The previous prime is 2221001011. The next prime is 2221001071. The reversal of 2221001053 is 3501001222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1859506884 + 361494169 = 43122^2 + 19013^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221001053 - 229 = 1684130141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221001753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110500526 + 1110500527.

It is an arithmetic number, because the mean of its divisors is an integer number (1110500527).

Almost surely, 22221001053 is an apocalyptic number.

It is an amenable number.

2221001053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221001053 is an equidigital number, since it uses as much as digits as its factorization.

2221001053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2221001053 is about 47127.4978436157. The cubic root of 2221001053 is about 1304.7168007972.

Adding to 2221001053 its reverse (3501001222), we get a palindrome (5722002275).

The spelling of 2221001053 in words is "two billion, two hundred twenty-one million, one thousand, fifty-three".