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35664221 is a prime number
BaseRepresentation
bin1000100000001…
…1000101011101
32111002221010002
42020003011131
533112223341
63312224045
7612066215
oct210030535
974087102
1035664221
111914a06a
12bb3b025
1375091b8
144a45245
1531e729b
hex220315d

35664221 has 2 divisors, whose sum is σ = 35664222. Its totient is φ = 35664220.

The previous prime is 35664217. The next prime is 35664227. The reversal of 35664221 is 12246653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28238596 + 7425625 = 5314^2 + 2725^2 .

It is an emirp because it is prime and its reverse (12246653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35664221 - 22 = 35664217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35664227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17832110 + 17832111.

It is an arithmetic number, because the mean of its divisors is an integer number (17832111).

Almost surely, 235664221 is an apocalyptic number.

It is an amenable number.

35664221 is a deficient number, since it is larger than the sum of its proper divisors (1).

35664221 is an equidigital number, since it uses as much as digits as its factorization.

35664221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 35664221 is about 5971.9528631763. The cubic root of 35664221 is about 329.1629259273.

The spelling of 35664221 in words is "thirty-five million, six hundred sixty-four thousand, two hundred twenty-one".