2234242021 has 8 divisors (see below), whose sum is σ = 2450973600. Its totient is φ = 2019780240.

The previous prime is 2234242019. The next prime is 2234242067. The reversal of 2234242021 is 1202424322.

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 2234242021 - 2¹ = 2234242019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2234241983 and 2234242001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234242081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565386 + ... + 569323.

It is an arithmetic number, because the mean of its divisors is an integer number (306371700).

Almost surely, 2^2234242021 is an apocalyptic number.

It is an amenable number.

2234242021 is a deficient number, since it is larger than the sum of its proper divisors (216731579).

2234242021 is a wasteful number, since it uses less digits than its factorization.

2234242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134899.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2234242021 is about 47267.7693677203. The cubic root of 2234242021 is about 1307.3044471350.

Adding to 2234242021 its reverse (1202424322), we get a palindrome (3436666343).

The spelling of 2234242021 in words is "two billion, two hundred thirty-four million, two hundred forty-two thousand, twenty-one".