44222432221 has 4 divisors (see below), whose sum is σ = 48242653344. Its totient is φ = 40202211100.

The previous prime is 44222432209. The next prime is 44222432237. The reversal of 44222432221 is 12223422244.

It is a happy number.

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 44222432221 - 2²¹ = 44220335069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44222432221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44222432291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2010110545 + ... + 2010110566.

It is an arithmetic number, because the mean of its divisors is an integer number (12060663336).

Almost surely, 2^44222432221 is an apocalyptic number.

It is an amenable number.

44222432221 is a deficient number, since it is larger than the sum of its proper divisors (4020221123).

44222432221 is a wasteful number, since it uses less digits than its factorization.

44222432221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020221122.

The product of its digits is 12288, while the sum is 28.

Adding to 44222432221 its reverse (12223422244), we get a palindrome (56445854465).

The spelling of 44222432221 in words is "forty-four billion, two hundred twenty-two million, four hundred thirty-two thousand, two hundred twenty-one".