44303031221 has 4 divisors (see below), whose sum is σ = 44361248844. Its totient is φ = 44244813600.

The previous prime is 44303031191. The next prime is 44303031229. The reversal of 44303031221 is 12213030344.

44303031221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12913822321 + 31389208900 = 113639^2 + 177170^2 .

It is a cyclic number.

It is not a de Polignac number, because 44303031221 - 2³⁴ = 27123162037 is a prime.

It is a super-3 number, since 3×44303031221³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44303031229) 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, 29107670 + ... + 29109191.

It is an arithmetic number, because the mean of its divisors is an integer number (11090312211).

Almost surely, 2^44303031221 is an apocalyptic number.

It is an amenable number.

44303031221 is a deficient number, since it is larger than the sum of its proper divisors (58217623).

44303031221 is an equidigital number, since it uses as much as digits as its factorization.

44303031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58217622.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 44303031221 its reverse (12213030344), we get a palindrome (56516061565).

The spelling of 44303031221 in words is "forty-four billion, three hundred three million, thirty-one thousand, two hundred twenty-one".