3221212242 has 8 divisors (see below), whose sum is σ = 6442424496. Its totient is φ = 1073737412.

The previous prime is 3221212237. The next prime is 3221212279. The reversal of 3221212242 is 2422121223.

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

3221212242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268434348 + ... + 268434359.

It is an arithmetic number, because the mean of its divisors is an integer number (805303062).

Almost surely, 2^3221212242 is an apocalyptic number.

3221212242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221212242 is a wasteful number, since it uses less digits than its factorization.

3221212242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536868712.

The product of its digits is 768, while the sum is 21.

The square root of 3221212242 is about 56755.7243104165. The cubic root of 3221212242 is about 1476.8615381005.

Adding to 3221212242 its reverse (2422121223), we get a palindrome (5643333465).

The spelling of 3221212242 in words is "three billion, two hundred twenty-one million, two hundred twelve thousand, two hundred forty-two".