2234021 has 4 divisors (see below), whose sum is σ = 2365452. Its totient is φ = 2102592.

The previous prime is 2234017. The next prime is 2234033. The reversal of 2234021 is 1204322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1890625 + 343396 = 1375^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 2234021 - 2² = 2234017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2233987 and 2234005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2234081) 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, 65690 + ... + 65723.

It is an arithmetic number, because the mean of its divisors is an integer number (591363).

2^2234021 is an apocalyptic number.

It is an amenable number.

2234021 is a deficient number, since it is larger than the sum of its proper divisors (131431).

2234021 is a wasteful number, since it uses less digits than its factorization.

2234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131430.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2234021 is about 1494.6641763286. The cubic root of 2234021 is about 130.7261337621.

Adding to 2234021 its reverse (1204322), we get a palindrome (3438343).

It can be divided in two parts, 22 and 34021, that added together give a palindrome (34043).

The spelling of 2234021 in words is "two million, two hundred thirty-four thousand, twenty-one".