2300001221 has 4 divisors (see below), whose sum is σ = 2628572832. Its totient is φ = 1971429612.

The previous prime is 2300001203. The next prime is 2300001229. The reversal of 2300001221 is 1221000032.

It is a happy number.

2300001221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2^k-2300001221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2300001229) 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, 164285795 + ... + 164285808.

It is an arithmetic number, because the mean of its divisors is an integer number (657143208).

Almost surely, 2^2300001221 is an apocalyptic number.

It is an amenable number.

2300001221 is a deficient number, since it is larger than the sum of its proper divisors (328571611).

2300001221 is an equidigital number, since it uses as much as digits as its factorization.

2300001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328571610.

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

The square root of 2300001221 is about 47958.3279629305. The cubic root of 2300001221 is about 1320.0063553796.

Adding to 2300001221 its reverse (1221000032), we get a palindrome (3521001253).

The spelling of 2300001221 in words is "two billion, three hundred million, one thousand, two hundred twenty-one".