44322213 has 16 divisors (see below), whose sum is σ = 67386816. Its totient is φ = 25670400.

The previous prime is 44322211. The next prime is 44322227. The reversal of 44322213 is 31222344.

It is not a de Polignac number, because 44322213 - 2¹ = 44322211 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44322213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44322211) 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, 32763 + ... + 34088.

It is an arithmetic number, because the mean of its divisors is an integer number (4211676).

Almost surely, 2^44322213 is an apocalyptic number.

It is an amenable number.

44322213 is a deficient number, since it is larger than the sum of its proper divisors (23064603).

44322213 is a wasteful number, since it uses less digits than its factorization.

44322213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66884.

The product of its digits is 1152, while the sum is 21.

The square root of 44322213 is about 6657.4929966167. The cubic root of 44322213 is about 353.8944991878.

Adding to 44322213 its reverse (31222344), we get a palindrome (75544557).

The spelling of 44322213 in words is "forty-four million, three hundred twenty-two thousand, two hundred thirteen".