32222221012 has 12 divisors (see below), whose sum is σ = 56390452020. Its totient is φ = 16110663296.

The previous prime is 32222220983. The next prime is 32222221019. The reversal of 32222221012 is 21012222223.

It can be written as a sum of positive squares in 2 ways, for example, as 1665782596 + 30556438416 = 40814^2 + 174804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222221019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91314 + ... + 269782.

It is an arithmetic number, because the mean of its divisors is an integer number (4699204335).

Almost surely, 2^32222221012 is an apocalyptic number.

It is an amenable number.

32222221012 is a deficient number, since it is larger than the sum of its proper divisors (24168231008).

32222221012 is a wasteful number, since it uses less digits than its factorization.

32222221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223610 (or 223608 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 32222221012 its reverse (21012222223), we get a palindrome (53234443235).

The spelling of 32222221012 in words is "thirty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, twelve".