44452213 has 16 divisors (see below), whose sum is σ = 49215600. Its totient is φ = 39896064.

The previous prime is 44452211. The next prime is 44452259. The reversal of 44452213 is 31225444.

It is a happy number.

44452213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 11009124 + 33443089 = 3318^2 + 5783^2 .

It is not a de Polignac number, because 44452213 - 2¹ = 44452211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44452211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102445 + ... + 102877.

It is an arithmetic number, because the mean of its divisors is an integer number (3075975).

Almost surely, 2^44452213 is an apocalyptic number.

It is an amenable number.

44452213 is a deficient number, since it is larger than the sum of its proper divisors (4763387).

44452213 is a wasteful number, since it uses less digits than its factorization.

44452213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its digits is 3840, while the sum is 25.

The square root of 44452213 is about 6667.2492828752. The cubic root of 44452213 is about 354.2401601638.

Adding to 44452213 its reverse (31225444), we get a palindrome (75677657).

The spelling of 44452213 in words is "forty-four million, four hundred fifty-two thousand, two hundred thirteen".