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422611481 is a prime number
BaseRepresentation
bin11001001100001…
…000101000011001
31002110012212222002
4121030020220121
51331142031411
6105534010345
713321065305
oct3114105031
91073185862
10422611481
111a760a296
12b96469b5
136972a586
14401acd05
152717d33b
hex19308a19

422611481 has 2 divisors, whose sum is σ = 422611482. Its totient is φ = 422611480.

The previous prime is 422611459. The next prime is 422611507. The reversal of 422611481 is 184116224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264355081 + 158256400 = 16259^2 + 12580^2 .

It is a cyclic number.

It is not a de Polignac number, because 422611481 - 26 = 422611417 is a prime.

It is a super-2 number, since 2×4226114812 = 357200927746026722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422611081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211305740 + 211305741.

It is an arithmetic number, because the mean of its divisors is an integer number (211305741).

Almost surely, 2422611481 is an apocalyptic number.

It is an amenable number.

422611481 is a deficient number, since it is larger than the sum of its proper divisors (1).

422611481 is an equidigital number, since it uses as much as digits as its factorization.

422611481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 29.

The square root of 422611481 is about 20557.5164112789. The cubic root of 422611481 is about 750.4361794660.

The spelling of 422611481 in words is "four hundred twenty-two million, six hundred eleven thousand, four hundred eighty-one".