3213220242 has 16 divisors (see below), whose sum is σ = 6648042240. Its totient is φ = 1034139792.

The previous prime is 3213220211. The next prime is 3213220243. The reversal of 3213220242 is 2420223123.

It is not an unprimeable number, because it can be changed into a prime (3213220243) 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, 9233218 + ... + 9233565.

It is an arithmetic number, because the mean of its divisors is an integer number (415502640).

Almost surely, 2^3213220242 is an apocalyptic number.

3213220242 is an abundant number, since it is smaller than the sum of its proper divisors (3434821998).

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

3213220242 is a wasteful number, since it uses less digits than its factorization.

3213220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18466817.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3213220242 is about 56685.2735902368. The cubic root of 3213220242 is about 1475.6391357504.

Adding to 3213220242 its reverse (2420223123), we get a palindrome (5633443365).

The spelling of 3213220242 in words is "three billion, two hundred thirteen million, two hundred twenty thousand, two hundred forty-two".