4402021433 has 4 divisors (see below), whose sum is σ = 4403387940. Its totient is φ = 4400654928.

The previous prime is 4402021423. The next prime is 4402021439. The reversal of 4402021433 is 3341202044.

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 3209562409 + 1192459024 = 56653^2 + 34532^2 .

It is a cyclic number.

It is not a de Polignac number, because 4402021433 - 2⁴ = 4402021417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4402021399 and 4402021408.

It is not an unprimeable number, because it can be changed into a prime (4402021439) 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, 678410 + ... + 684867.

It is an arithmetic number, because the mean of its divisors is an integer number (1100846985).

Almost surely, 2^4402021433 is an apocalyptic number.

It is an amenable number.

4402021433 is a deficient number, since it is larger than the sum of its proper divisors (1366507).

4402021433 is a wasteful number, since it uses less digits than its factorization.

4402021433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366506.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4402021433 is about 66347.7311820080. The cubic root of 4402021433 is about 1638.8934426391.

Adding to 4402021433 its reverse (3341202044), we get a palindrome (7743223477).

The spelling of 4402021433 in words is "four billion, four hundred two million, twenty-one thousand, four hundred thirty-three".