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22201010257 is a prime number
BaseRepresentation
bin10100101011010010…
…001000100001010001
32010022020010011201011
4110223102020201101
5330431424312012
614110552410521
71414106321266
oct245322104121
963266104634
1022201010257
119462989668
1243770a6a41
13212a6a107a
14110874726d
1589e0d71a7
hex52b488851

22201010257 has 2 divisors, whose sum is σ = 22201010258. Its totient is φ = 22201010256.

The previous prime is 22201010219. The next prime is 22201010333. The reversal of 22201010257 is 75201010222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13455768001 + 8745242256 = 115999^2 + 93516^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201010257 - 227 = 22066792529 is a prime.

It is a super-3 number, since 3×222010102573 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22201010057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100505128 + 11100505129.

It is an arithmetic number, because the mean of its divisors is an integer number (11100505129).

Almost surely, 222201010257 is an apocalyptic number.

It is an amenable number.

22201010257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201010257 is an equidigital number, since it uses as much as digits as its factorization.

22201010257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 22201010257 its reverse (75201010222), we get a palindrome (97402020479).

The spelling of 22201010257 in words is "twenty-two billion, two hundred one million, ten thousand, two hundred fifty-seven".