32013222221 has 8 divisors (see below), whose sum is σ = 33453461184. Its totient is φ = 30577013280.

The previous prime is 32013222217. The next prime is 32013222247. The reversal of 32013222221 is 12222231023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32013222221 - 2² = 32013222217 is a prime.

It is a super-2 number, since 2×32013222221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32013222193 and 32013222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013222281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991256 + ... + 1023041.

It is an arithmetic number, because the mean of its divisors is an integer number (4181682648).

Almost surely, 2^32013222221 is an apocalyptic number.

It is an amenable number.

32013222221 is a deficient number, since it is larger than the sum of its proper divisors (1440238963).

32013222221 is a wasteful number, since it uses less digits than its factorization.

32013222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015011.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 32013222221 its reverse (12222231023), we get a palindrome (44235453244).

The spelling of 32013222221 in words is "thirty-two billion, thirteen million, two hundred twenty-two thousand, two hundred twenty-one".