3211221022 has 4 divisors (see below), whose sum is σ = 4816831536. Its totient is φ = 1605610510.

The previous prime is 3211220981. The next prime is 3211221053. The reversal of 3211221022 is 2201221123.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3211220987 and 3211221005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802805254 + ... + 802805257.

It is an arithmetic number, because the mean of its divisors is an integer number (1204207884).

Almost surely, 2^3211221022 is an apocalyptic number.

3211221022 is a deficient number, since it is larger than the sum of its proper divisors (1605610514).

3211221022 is a wasteful number, since it uses less digits than its factorization.

3211221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605610513.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3211221022 is about 56667.6364603289. The cubic root of 3211221022 is about 1475.3330316860. Note that the first 3 decimals are identical.

Adding to 3211221022 its reverse (2201221123), we get a palindrome (5412442145).

The spelling of 3211221022 in words is "three billion, two hundred eleven million, two hundred twenty-one thousand, twenty-two".