32221444444 has 24 divisors (see below), whose sum is σ = 64526299488. Its totient is φ = 13791316800.

The previous prime is 32221444369. The next prime is 32221444457. The reversal of 32221444444 is 44444412223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722707 + ... + 765994.

It is an arithmetic number, because the mean of its divisors is an integer number (2688595812).

Almost surely, 2^32221444444 is an apocalyptic number.

It is an amenable number.

32221444444 is an abundant number, since it is smaller than the sum of its proper divisors (32304855044).

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

32221444444 is a wasteful number, since it uses less digits than its factorization.

32221444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489485 (or 1489483 counting only the distinct ones).

The product of its digits is 98304, while the sum is 34.

Adding to 32221444444 its reverse (44444412223), we get a palindrome (76665856667).

The spelling of 32221444444 in words is "thirty-two billion, two hundred twenty-one million, four hundred forty-four thousand, four hundred forty-four".