3221213322 has 16 divisors (see below), whose sum is σ = 6489453312. Its totient is φ = 1065900000.

The previous prime is 3221213299. The next prime is 3221213327. The reversal of 3221213322 is 2233121223.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3221213327) 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, 1958554 + ... + 1960197.

It is an arithmetic number, because the mean of its divisors is an integer number (405590832).

Almost surely, 2^3221213322 is an apocalyptic number.

3221213322 is an abundant number, since it is smaller than the sum of its proper divisors (3268239990).

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

3221213322 is a wasteful number, since it uses less digits than its factorization.

3221213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918893.

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

The square root of 3221213322 is about 56755.7338248745. The cubic root of 3221213322 is about 1476.8617031533.

Adding to 3221213322 its reverse (2233121223), we get a palindrome (5454334545).

The spelling of 3221213322 in words is "three billion, two hundred twenty-one million, two hundred thirteen thousand, three hundred twenty-two".