332222221 has 8 divisors (see below), whose sum is σ = 343010304. Its totient is φ = 321562080.

The previous prime is 332222213. The next prime is 332222227. The reversal of 332222221 is 122222233.

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 332222221 - 2³ = 332222213 is a prime.

It is a super-2 number, since 2×332222221² = 220743208252345682, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332222227) 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, 26695 + ... + 37108.

It is an arithmetic number, because the mean of its divisors is an integer number (42876288).

Almost surely, 2^332222221 is an apocalyptic number.

It is an amenable number.

332222221 is a deficient number, since it is larger than the sum of its proper divisors (10788083).

332222221 is a wasteful number, since it uses less digits than its factorization.

332222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63971.

The product of its digits is 576, while the sum is 19.

The square root of 332222221 is about 18226.9641191286. The cubic root of 332222221 is about 692.5900144951.

Adding to 332222221 its reverse (122222233), we get a palindrome (454444454).

The spelling of 332222221 in words is "three hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty-one".