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422902229 = 2551165779
BaseRepresentation
bin11001001101001…
…111100111010101
31002110202122210112
4121031033213111
51331230332404
6105544132405
713323416051
oct3115174725
91073678715
10422902229
111a7798782
12b9767105
13697cca09
1440246c61
15271d956e
hex1934f9d5

422902229 has 4 divisors (see below), whose sum is σ = 423070560. Its totient is φ = 422733900.

The previous prime is 422902187. The next prime is 422902237. The reversal of 422902229 is 922209224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-422902229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422902195 and 422902204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422905229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80339 + ... + 85440.

It is an arithmetic number, because the mean of its divisors is an integer number (105767640).

Almost surely, 2422902229 is an apocalyptic number.

It is an amenable number.

422902229 is a deficient number, since it is larger than the sum of its proper divisors (168331).

422902229 is a wasteful number, since it uses less digits than its factorization.

422902229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168330.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 422902229 is about 20564.5867694928. The cubic root of 422902229 is about 750.6082348967.

The spelling of 422902229 in words is "four hundred twenty-two million, nine hundred two thousand, two hundred twenty-nine".

Divisors: 1 2551 165779 422902229