2442221333 has 4 divisors (see below), whose sum is σ = 2442326880. Its totient is φ = 2442115788.

The previous prime is 2442221317. The next prime is 2442221347. The reversal of 2442221333 is 3331222442.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2442221333 - 2⁴ = 2442221317 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 (2442221233) 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, 1385 + ... + 69902.

It is an arithmetic number, because the mean of its divisors is an integer number (610581720).

Almost surely, 2^2442221333 is an apocalyptic number.

It is an amenable number.

2442221333 is a deficient number, since it is larger than the sum of its proper divisors (105547).

2442221333 is an equidigital number, since it uses as much as digits as its factorization.

2442221333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105546.

The product of its digits is 6912, while the sum is 26.

The square root of 2442221333 is about 49418.8358118643. The cubic root of 2442221333 is about 1346.6715136073.

Adding to 2442221333 its reverse (3331222442), we get a palindrome (5773443775).

The spelling of 2442221333 in words is "two billion, four hundred forty-two million, two hundred twenty-one thousand, three hundred thirty-three".