32220113221 has 16 divisors (see below), whose sum is σ = 33659366400. Its totient is φ = 30807475200.

The previous prime is 32220113203. The next prime is 32220113257. The reversal of 32220113221 is 12231102223.

It is a cyclic number.

It is not a de Polignac number, because 32220113221 - 2²⁹ = 31683242309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32220113291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199781 + ... + 1226341.

It is an arithmetic number, because the mean of its divisors is an integer number (2103710400).

Almost surely, 2^32220113221 is an apocalyptic number.

32220113221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32220113221 is a deficient number, since it is larger than the sum of its proper divisors (1439253179).

32220113221 is a wasteful number, since it uses less digits than its factorization.

32220113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27060.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32220113221 its reverse (12231102223), we get a palindrome (44451215444).

The spelling of 32220113221 in words is "thirty-two billion, two hundred twenty million, one hundred thirteen thousand, two hundred twenty-one".