44214221 has 4 divisors (see below), whose sum is σ = 44711100. Its totient is φ = 43717344.

The previous prime is 44214217. The next prime is 44214227. The reversal of 44214221 is 12241244.

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 12348196 + 31866025 = 3514^2 + 5645^2 .

It is a cyclic number.

It is not a de Polignac number, because 44214221 - 2² = 44214217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44214193 and 44214202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44214227) 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, 248306 + ... + 248483.

It is an arithmetic number, because the mean of its divisors is an integer number (11177775).

Almost surely, 2^44214221 is an apocalyptic number.

It is an amenable number.

44214221 is a deficient number, since it is larger than the sum of its proper divisors (496879).

44214221 is an equidigital number, since it uses as much as digits as its factorization.

44214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496878.

The product of its digits is 512, while the sum is 20.

The square root of 44214221 is about 6649.3774896602. The cubic root of 44214221 is about 353.6068416476.

Adding to 44214221 its reverse (12241244), we get a palindrome (56455465).

The spelling of 44214221 in words is "forty-four million, two hundred fourteen thousand, two hundred twenty-one".