3221212233 has 8 divisors (see below), whose sum is σ = 4296841696. Its totient is φ = 2146528800.

The previous prime is 3221212231. The next prime is 3221212237. The reversal of 3221212233 is 3322121223.

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 3221212233 - 2¹ = 3221212231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221212231) 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, 228523 + ... + 242208.

It is an arithmetic number, because the mean of its divisors is an integer number (537105212).

Almost surely, 2^3221212233 is an apocalyptic number.

It is an amenable number.

3221212233 is a deficient number, since it is larger than the sum of its proper divisors (1075629463).

3221212233 is a wasteful number, since it uses less digits than its factorization.

3221212233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473015.

The product of its digits is 864, while the sum is 21.

The square root of 3221212233 is about 56755.7242311293. The cubic root of 3221212233 is about 1476.8615367251.

Adding to 3221212233 its reverse (3322121223), we get a palindrome (6543333456).

It can be divided in two parts, 322121223 and 3, that multiplied together give a palindrome (966363669).

The spelling of 3221212233 in words is "three billion, two hundred twenty-one million, two hundred twelve thousand, two hundred thirty-three".