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2221230201 = 3740410067
BaseRepresentation
bin1000010001100101…
…0100100001111001
312201210122012000020
42010121110201321
514022113331301
61004224401053
7106021100541
oct20431244171
95653565006
102221230201
11a3a910143
1251ba76189
132952559c8
14171006321
15d0012436
hex84654879

2221230201 has 4 divisors (see below), whose sum is σ = 2961640272. Its totient is φ = 1480820132.

The previous prime is 2221230181. The next prime is 2221230211. The reversal of 2221230201 is 1020321222.

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 2221230201 - 226 = 2154121337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2221230211) 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, 370205031 + ... + 370205036.

It is an arithmetic number, because the mean of its divisors is an integer number (740410068).

Almost surely, 22221230201 is an apocalyptic number.

It is an amenable number.

2221230201 is a deficient number, since it is larger than the sum of its proper divisors (740410071).

2221230201 is an equidigital number, since it uses as much as digits as its factorization.

2221230201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740410070.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2221230201 is about 47129.9289305639. The cubic root of 2221230201 is about 1304.7616698985.

Adding to 2221230201 its reverse (1020321222), we get a palindrome (3241551423).

The spelling of 2221230201 in words is "two billion, two hundred twenty-one million, two hundred thirty thousand, two hundred one".

Divisors: 1 3 740410067 2221230201