44210221 has 8 divisors (see below), whose sum is σ = 49256064. Its totient is φ = 39335520.

The previous prime is 44210219. The next prime is 44210261. The reversal of 44210221 is 12201244.

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 44210221 - 2¹ = 44210219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44210195 and 44210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44210261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42240 + ... + 43273.

It is an arithmetic number, because the mean of its divisors is an integer number (6157008).

Almost surely, 2^44210221 is an apocalyptic number.

It is an amenable number.

44210221 is a deficient number, since it is larger than the sum of its proper divisors (5045843).

44210221 is a wasteful number, since it uses less digits than its factorization.

44210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85571.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 44210221 is about 6649.0767028212. The cubic root of 44210221 is about 353.5961778838.

Adding to 44210221 its reverse (12201244), we get a palindrome (56411465).

It can be divided in two parts, 44210 and 221, that multiplied together give a triangular number (9770410 = T₄₄₂₀).

The spelling of 44210221 in words is "forty-four million, two hundred ten thousand, two hundred twenty-one".