32222021 has 16 divisors (see below), whose sum is σ = 36969408. Its totient is φ = 27820800.

The previous prime is 32222017. The next prime is 32222027. The reversal of 32222021 is 12022223.

It is a cyclic number.

It is not a de Polignac number, because 32222021 - 2² = 32222017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32221987 and 32222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222027) 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, 46286 + ... + 46976.

It is an arithmetic number, because the mean of its divisors is an integer number (2310588).

Almost surely, 2^32222021 is an apocalyptic number.

It is an amenable number.

32222021 is a deficient number, since it is larger than the sum of its proper divisors (4747387).

32222021 is a wasteful number, since it uses less digits than its factorization.

32222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

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

The square root of 32222021 is about 5676.4443976842. Note that the first 3 decimals coincide. The cubic root of 32222021 is about 318.2127612480.

Adding to 32222021 its reverse (12022223), we get a palindrome (44244244).

The spelling of 32222021 in words is "thirty-two million, two hundred twenty-two thousand, twenty-one".