44362021 has 4 divisors (see below), whose sum is σ = 48394944. Its totient is φ = 40329100.

The previous prime is 44361953. The next prime is 44362039. The reversal of 44362021 is 12026344.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44362021 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44361983 and 44362001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44362091) 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, 2016445 + ... + 2016466.

It is an arithmetic number, because the mean of its divisors is an integer number (12098736).

Almost surely, 2^44362021 is an apocalyptic number.

It is an amenable number.

44362021 is a deficient number, since it is larger than the sum of its proper divisors (4032923).

44362021 is a wasteful number, since it uses less digits than its factorization.

44362021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032922.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 44362021 is about 6660.4820396124. The cubic root of 44362021 is about 354.0004176105. Note that the first 3 decimals are identical.

Adding to 44362021 its reverse (12026344), we get a palindrome (56388365).

The spelling of 44362021 in words is "forty-four million, three hundred sixty-two thousand, twenty-one".