44302021 has 8 divisors (see below), whose sum is σ = 45221400. Its totient is φ = 43391232.

The previous prime is 44302009. The next prime is 44302039. The reversal of 44302021 is 12020344.

It can be written as a sum of positive squares in 4 ways, for example, as 12996 + 44289025 = 114^2 + 6655^2 .

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 44302021 - 2¹⁷ = 44170949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44301986 and 44302004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44302081) 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, 8841 + ... + 12913.

It is an arithmetic number, because the mean of its divisors is an integer number (5652675).

Almost surely, 2^44302021 is an apocalyptic number.

It is an amenable number.

44302021 is a deficient number, since it is larger than the sum of its proper divisors (919379).

44302021 is a wasteful number, since it uses less digits than its factorization.

44302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 44302021 is about 6655.9763370974. The cubic root of 44302021 is about 353.8407494412.

Adding to 44302021 its reverse (12020344), we get a palindrome (56322365).

The spelling of 44302021 in words is "forty-four million, three hundred two thousand, twenty-one".