32220402224 has 10 divisors (see below), whose sum is σ = 62427029340. Its totient is φ = 16110201104.

The previous prime is 32220402223. The next prime is 32220402257. The reversal of 32220402224 is 42220402223.

It is a self number, because there is not a number n which added to its sum of digits gives 32220402224.

It is not an unprimeable number, because it can be changed into a prime (32220402223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006887554 + ... + 1006887585.

It is an arithmetic number, because the mean of its divisors is an integer number (6242702934).

Almost surely, 2^32220402224 is an apocalyptic number.

It is an amenable number.

32220402224 is a deficient number, since it is larger than the sum of its proper divisors (30206627116).

32220402224 is a wasteful number, since it uses less digits than its factorization.

32220402224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013775147 (or 2013775141 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 32220402224 its reverse (42220402223), we get a palindrome (74440804447).

Subtracting 32220402224 from its reverse (42220402223), we obtain a palindrome (9999999999).

The spelling of 32220402224 in words is "thirty-two billion, two hundred twenty million, four hundred two thousand, two hundred twenty-four".