44221573 has 8 divisors (see below), whose sum is σ = 51079680. Its totient is φ = 37836480.

The previous prime is 44221559. The next prime is 44221601. The reversal of 44221573 is 37512244.

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

It is a de Polignac number, because none of the positive numbers 2^k-44221573 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 (44221553) 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, 118053 + ... + 118426.

It is an arithmetic number, because the mean of its divisors is an integer number (6384960).

Almost surely, 2^44221573 is an apocalyptic number.

It is an amenable number.

44221573 is a deficient number, since it is larger than the sum of its proper divisors (6858107).

44221573 is a wasteful number, since it uses less digits than its factorization.

44221573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236507.

The product of its digits is 6720, while the sum is 28.

The square root of 44221573 is about 6649.9303003866. The cubic root of 44221573 is about 353.6264399681.

It can be divided in two parts, 4422 and 1573, that added together give a palindrome (5995).

The spelling of 44221573 in words is "forty-four million, two hundred twenty-one thousand, five hundred seventy-three".