44224002021 has 16 divisors (see below), whose sum is σ = 59138072064. Its totient is φ = 29396391024.

The previous prime is 44224001981. The next prime is 44224002047. The reversal of 44224002021 is 12020042244.

It is not a de Polignac number, because 44224002021 - 2¹⁷ = 44223870949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44224022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2125350 + ... + 2146056.

It is an arithmetic number, because the mean of its divisors is an integer number (3696129504).

Almost surely, 2^44224002021 is an apocalyptic number.

It is an amenable number.

44224002021 is a deficient number, since it is larger than the sum of its proper divisors (14914070043).

44224002021 is a wasteful number, since it uses less digits than its factorization.

44224002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22760.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 44224002021 its reverse (12020042244), we get a palindrome (56244044265).

The spelling of 44224002021 in words is "forty-four billion, two hundred twenty-four million, two thousand, twenty-one".