44221554 has 36 divisors (see below), whose sum is σ = 103757706. Its totient is φ = 13605696.

The previous prime is 44221553. The next prime is 44221559. The reversal of 44221554 is 45512244.

44221554 is a `hidden beast` number, since 442 + 215 + 5 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 16184529 + 28037025 = 4023^2 + 5295^2 .

It is not an unprimeable number, because it can be changed into a prime (44221553) 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 17 ways as a sum of consecutive naturals, for example, 4227 + ... + 10310.

Almost surely, 2^44221554 is an apocalyptic number.

44221554 is an abundant number, since it is smaller than the sum of its proper divisors (59536152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44221554 is a wasteful number, since it uses less digits than its factorization.

44221554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571 (or 14555 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 44221554 is about 6649.9288718001. The cubic root of 44221554 is about 353.6263893223.

Adding to 44221554 its reverse (45512244), we get a palindrome (89733798).

The spelling of 44221554 in words is "forty-four million, two hundred twenty-one thousand, five hundred fifty-four".