2221333001 has 4 divisors (see below), whose sum is σ = 2272991952. Its totient is φ = 2169674052.

The previous prime is 2221332991. The next prime is 2221333019. The reversal of 2221333001 is 1003331222.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1003331222 = 2 ⋅501665611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221333001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221333061) 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, 25829411 + ... + 25829496.

It is an arithmetic number, because the mean of its divisors is an integer number (568247988).

Almost surely, 2^2221333001 is an apocalyptic number.

It is an amenable number.

2221333001 is a deficient number, since it is larger than the sum of its proper divisors (51658951).

2221333001 is an equidigital number, since it uses as much as digits as its factorization.

2221333001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51658950.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2221333001 is about 47131.0195200571. The cubic root of 2221333001 is about 1304.7817979985.

Adding to 2221333001 its reverse (1003331222), we get a palindrome (3224664223).

The spelling of 2221333001 in words is "two billion, two hundred twenty-one million, three hundred thirty-three thousand, one".