44556221 has 4 divisors (see below), whose sum is σ = 46493472. Its totient is φ = 42618972.

The previous prime is 44556181. The next prime is 44556223. The reversal of 44556221 is 12265544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44556221 - 2⁶ = 44556157 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 (44556223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968591 + ... + 968636.

It is an arithmetic number, because the mean of its divisors is an integer number (11623368).

Almost surely, 2^44556221 is an apocalyptic number.

It is an amenable number.

44556221 is a deficient number, since it is larger than the sum of its proper divisors (1937251).

44556221 is a wasteful number, since it uses less digits than its factorization.

44556221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937250.

The product of its digits is 9600, while the sum is 29.

The square root of 44556221 is about 6675.0446440455. The cubic root of 44556221 is about 354.5162252536.

The spelling of 44556221 in words is "forty-four million, five hundred fifty-six thousand, two hundred twenty-one".