3213031222 has 4 divisors (see below), whose sum is σ = 4819546836. Its totient is φ = 1606515610.

The previous prime is 3213031189. The next prime is 3213031277. The reversal of 3213031222 is 2221303123.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3213031222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803257804 + ... + 803257807.

It is an arithmetic number, because the mean of its divisors is an integer number (1204886709).

Almost surely, 2^3213031222 is an apocalyptic number.

3213031222 is a deficient number, since it is larger than the sum of its proper divisors (1606515614).

3213031222 is a wasteful number, since it uses less digits than its factorization.

3213031222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606515613.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3213031222 is about 56683.6062896496. The cubic root of 3213031222 is about 1475.6102000039.

Adding to 3213031222 its reverse (2221303123), we get a palindrome (5434334345).

The spelling of 3213031222 in words is "three billion, two hundred thirteen million, thirty-one thousand, two hundred twenty-two".