44441213 has 8 divisors (see below), whose sum is σ = 47652480. Its totient is φ = 41296320.

The previous prime is 44441207. The next prime is 44441227. The reversal of 44441213 is 31214444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44441213 - 2⁶ = 44441149 is a prime.

It is a super-2 number, since 2×44441213² = 3950042825822738, which contains 22 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 (44441203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15203 + ... + 17888.

It is an arithmetic number, because the mean of its divisors is an integer number (5956560).

Almost surely, 2^44441213 is an apocalyptic number.

It is an amenable number.

44441213 is a deficient number, since it is larger than the sum of its proper divisors (3211267).

44441213 is a wasteful number, since it uses less digits than its factorization.

44441213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33187.

The product of its digits is 1536, while the sum is 23.

The square root of 44441213 is about 6666.4243039279. The cubic root of 44441213 is about 354.2109380475.

Adding to 44441213 its reverse (31214444), we get a palindrome (75655657).

The spelling of 44441213 in words is "forty-four million, four hundred forty-one thousand, two hundred thirteen".