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3221201 = 3479283
BaseRepresentation
bin1100010010011011010001
320001122122202
430102123101
51311034301
6153012545
736244154
oct14223321
96048582
103221201
111900155
1210b4155
1388a249
145dbc9b
1543966b
hex3126d1

3221201 has 4 divisors (see below), whose sum is σ = 3230832. Its totient is φ = 3211572.

The previous prime is 3221189. The next prime is 3221237. The reversal of 3221201 is 1021223.

It is a happy number.

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 not a de Polignac number, because 3221201 - 26 = 3221137 is a prime.

It is a super-2 number, since 2×32212012 = 20752271764802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (807708).

Almost surely, 23221201 is an apocalyptic number.

It is an amenable number.

3221201 is a deficient number, since it is larger than the sum of its proper divisors (9631).

3221201 is an equidigital number, since it uses as much as digits as its factorization.

3221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9630.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3221201 is about 1794.7704588610. The cubic root of 3221201 is about 147.6859820021.

Adding to 3221201 its reverse (1021223), we get a palindrome (4242424).

The spelling of 3221201 in words is "three million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 347 9283 3221201