32223220002 has 12 divisors (see below), whose sum is σ = 69816976710. Its totient is φ = 10741073328.

The previous prime is 32223219991. The next prime is 32223220033. The reversal of 32223220002 is 20002232223.

It can be written as a sum of positive squares in only one way, i.e., 32213429361 + 9790641 = 179481^2 + 3129^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1790178889 = 32223220002 / (3 + 2 + 2 + 2 + 3 + 2 + 2 + 0 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 895089427 + ... + 895089462.

Almost surely, 2^32223220002 is an apocalyptic number.

32223220002 is an abundant number, since it is smaller than the sum of its proper divisors (37593756708).

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

32223220002 is a wasteful number, since it uses less digits than its factorization.

32223220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790178897 (or 1790178894 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 32223220002 its reverse (20002232223), we get a palindrome (52225452225).

The spelling of 32223220002 in words is "thirty-two billion, two hundred twenty-three million, two hundred twenty thousand, two".