44224213 has 16 divisors (see below), whose sum is σ = 49893696. Its totient is φ = 38845440.

The previous prime is 44224211. The next prime is 44224249. The reversal of 44224213 is 31242244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44224213 - 2¹ = 44224211 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 (44224211) 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, 78270 + ... + 78832.

It is an arithmetic number, because the mean of its divisors is an integer number (3118356).

Almost surely, 2^44224213 is an apocalyptic number.

It is an amenable number.

44224213 is a deficient number, since it is larger than the sum of its proper divisors (5669483).

44224213 is a wasteful number, since it uses less digits than its factorization.

44224213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its digits is 1536, while the sum is 22.

The square root of 44224213 is about 6650.1287957452. The cubic root of 44224213 is about 353.6334769198.

Adding to 44224213 its reverse (31242244), we get a palindrome (75466457).

The spelling of 44224213 in words is "forty-four million, two hundred twenty-four thousand, two hundred thirteen".