32021221222 has 16 divisors (see below), whose sum is σ = 48585111120. Its totient is φ = 15827173632.

The previous prime is 32021221187. The next prime is 32021221241. The reversal of 32021221222 is 22212212023.

It is a self number, because there is not a number n which added to its sum of digits gives 32021221222.

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, 182403 + ... + 311950.

It is an arithmetic number, because the mean of its divisors is an integer number (3036569445).

Almost surely, 2^32021221222 is an apocalyptic number.

32021221222 is a deficient number, since it is larger than the sum of its proper divisors (16563889898).

32021221222 is a wasteful number, since it uses less digits than its factorization.

32021221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494727.

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

Adding to 32021221222 its reverse (22212212023), we get a palindrome (54233433245).

The spelling of 32021221222 in words is "thirty-two billion, twenty-one million, two hundred twenty-one thousand, two hundred twenty-two".