3221223340 has 24 divisors (see below), whose sum is σ = 6875466192. Its totient is φ = 1267366080.

The previous prime is 3221223259. The next prime is 3221223389. The reversal of 3221223340 is 433221223.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318954 + ... + 1321393.

It is an arithmetic number, because the mean of its divisors is an integer number (286477758).

Almost surely, 2^3221223340 is an apocalyptic number.

It is an amenable number.

3221223340 is an abundant number, since it is smaller than the sum of its proper divisors (3654242852).

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

3221223340 is a wasteful number, since it uses less digits than its factorization.

3221223340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640417 (or 2640415 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3221223340 is about 56755.8220802060. The cubic root of 3221223340 is about 1476.8632341691.

Adding to 3221223340 its reverse (433221223), we get a palindrome (3654444563).

The spelling of 3221223340 in words is "three billion, two hundred twenty-one million, two hundred twenty-three thousand, three hundred forty".