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10221461 is a prime number
BaseRepresentation
bin100110111111…
…011110010101
3201020022012122
4212333132111
510104041321
61003025325
7152611115
oct46773625
921208178
1010221461
115851598
12350b245
13216b603
141501045
15d6d8ab
hex9bf795

10221461 has 2 divisors, whose sum is σ = 10221462. Its totient is φ = 10221460.

The previous prime is 10221457. The next prime is 10221467. The reversal of 10221461 is 16412201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5244100 + 4977361 = 2290^2 + 2231^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221461 - 22 = 10221457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110730 + 5110731.

It is an arithmetic number, because the mean of its divisors is an integer number (5110731).

Almost surely, 210221461 is an apocalyptic number.

It is an amenable number.

10221461 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221461 is an equidigital number, since it uses as much as digits as its factorization.

10221461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10221461 is about 3197.1019689713. The cubic root of 10221461 is about 217.0222817557.

Adding to 10221461 its reverse (16412201), we get a palindrome (26633662).

The spelling of 10221461 in words is "ten million, two hundred twenty-one thousand, four hundred sixty-one".