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422032001 = 1997211333
BaseRepresentation
bin11001001001111…
…011001010000001
31002102010110001212
4121021323022001
51331020011001
6105513335505
713313132666
oct3111731201
91072113055
10422032001
111a7253986
12b9407595
13695868a1
144009ba6d
15270b67bb
hex1927b281

422032001 has 4 divisors (see below), whose sum is σ = 422245332. Its totient is φ = 421818672.

The previous prime is 422031989. The next prime is 422032003. The reversal of 422032001 is 100230224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51854401 + 370177600 = 7201^2 + 19240^2 .

It is a cyclic number.

It is not a de Polignac number, because 422032001 - 218 = 421769857 is a prime.

It is a super-2 number, since 2×4220320012 = 356222019736128002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422032003) 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 in 3 ways as a sum of consecutive naturals, for example, 103670 + ... + 107663.

It is an arithmetic number, because the mean of its divisors is an integer number (105561333).

Almost surely, 2422032001 is an apocalyptic number.

It is an amenable number.

422032001 is a deficient number, since it is larger than the sum of its proper divisors (213331).

422032001 is a wasteful number, since it uses less digits than its factorization.

422032001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213330.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 422032001 is about 20543.4174615617. The cubic root of 422032001 is about 750.0930260907.

Adding to 422032001 its reverse (100230224), we get a palindrome (522262225).

The spelling of 422032001 in words is "four hundred twenty-two million, thirty-two thousand, one".

Divisors: 1 1997 211333 422032001