2242444421 has 8 divisors (see below), whose sum is σ = 2563429440. Its totient is φ = 1921618368.

The previous prime is 2242444403. The next prime is 2242444439. The reversal of 2242444421 is 1244442422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2242444403) and next prime (2242444439).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2242444421 - 2⁶ = 2242444357 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 (2242444021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7796 + ... + 67421.

It is an arithmetic number, because the mean of its divisors is an integer number (320428680).

Almost surely, 2^2242444421 is an apocalyptic number.

It is an amenable number.

2242444421 is a deficient number, since it is larger than the sum of its proper divisors (320985019).

2242444421 is an equidigital number, since it uses as much as digits as its factorization.

2242444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79483.

The product of its digits is 16384, while the sum is 29.

The square root of 2242444421 is about 47354.4551335986. The cubic root of 2242444421 is about 1308.9022952911.

Adding to 2242444421 its reverse (1244442422), we get a palindrome (3486886843).

The spelling of 2242444421 in words is "two billion, two hundred forty-two million, four hundred forty-four thousand, four hundred twenty-one".