3213442220 has 24 divisors (see below), whose sum is σ = 6749487024. Its totient is φ = 1285137216.

The previous prime is 3213442163. The next prime is 3213442229. The reversal of 3213442220 is 222443123.

It is not an unprimeable number, because it can be changed into a prime (3213442229) 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, 128459 + ... + 151421.

It is an arithmetic number, because the mean of its divisors is an integer number (281228626).

Almost surely, 2^3213442220 is an apocalyptic number.

It is an amenable number.

3213442220 is an abundant number, since it is smaller than the sum of its proper divisors (3536044804).

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

3213442220 is a wasteful number, since it uses less digits than its factorization.

3213442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29969 (or 29967 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3213442220 is about 56687.2315429145. The cubic root of 3213442220 is about 1475.6731153572.

Adding to 3213442220 its reverse (222443123), we get a palindrome (3435885343).

The spelling of 3213442220 in words is "three billion, two hundred thirteen million, four hundred forty-two thousand, two hundred twenty".