32022221 has 8 divisors (see below), whose sum is σ = 39923904. Its totient is φ = 24952320.

The previous prime is 32022217. The next prime is 32022241. The reversal of 32022221 is 12222023.

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

It is a cyclic number.

It is not a de Polignac number, because 32022221 - 2² = 32022217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32022196 and 32022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32022241) 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, 207860 + ... + 208013.

It is an arithmetic number, because the mean of its divisors is an integer number (4990488).

Almost surely, 2^32022221 is an apocalyptic number.

It is an amenable number.

32022221 is a deficient number, since it is larger than the sum of its proper divisors (7901683).

32022221 is a wasteful number, since it uses less digits than its factorization.

32022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415891.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 32022221 is about 5658.8179861169. The cubic root of 32022221 is about 317.5536801378.

Adding to 32022221 its reverse (12222023), we get a palindrome (44244244).

The spelling of 32022221 in words is "thirty-two million, twenty-two thousand, two hundred twenty-one".