44422240442 has 4 divisors (see below), whose sum is σ = 66633360666. Its totient is φ = 22211120220.

The previous prime is 44422240427. The next prime is 44422240453. The reversal of 44422240442 is 24404222444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40481037601 + 3941202841 = 201199^2 + 62779^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44422240399 and 44422240408.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11105560109 + ... + 11105560112.

Almost surely, 2^44422240442 is an apocalyptic number.

44422240442 is a deficient number, since it is larger than the sum of its proper divisors (22211120224).

44422240442 is a wasteful number, since it uses less digits than its factorization.

44422240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211120223.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44422240442 its reverse (24404222444), we get a palindrome (68826462886).

The spelling of 44422240442 in words is "forty-four billion, four hundred twenty-two million, two hundred forty thousand, four hundred forty-two".