44221132442 has 8 divisors (see below), whose sum is σ = 66332610516. Its totient is φ = 22110262272.

The previous prime is 44221132441. The next prime is 44221132481. The reversal of 44221132442 is 24423112244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44054231881 + 166900561 = 209891^2 + 12919^2 .

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

It is a super-3 number, since 3×44221132442³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (44221132441) 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, 149468 + ... + 332840.

Almost surely, 2^44221132442 is an apocalyptic number.

44221132442 is a deficient number, since it is larger than the sum of its proper divisors (22111478074).

44221132442 is a wasteful number, since it uses less digits than its factorization.

44221132442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303952.

The product of its digits is 12288, while the sum is 29.

Adding to 44221132442 its reverse (24423112244), we get a palindrome (68644244686).

The spelling of 44221132442 in words is "forty-four billion, two hundred twenty-one million, one hundred thirty-two thousand, four hundred forty-two".