3215221036 has 12 divisors (see below), whose sum is σ = 5629895712. Its totient is φ = 1606679408.

The previous prime is 3215221007. The next prime is 3215221057. The reversal of 3215221036 is 6301225123.

3215221036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3215221036.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224980 + ... + 238843.

It is an arithmetic number, because the mean of its divisors is an integer number (469157976).

Almost surely, 2^3215221036 is an apocalyptic number.

It is an amenable number.

3215221036 is a deficient number, since it is larger than the sum of its proper divisors (2414674676).

3215221036 is a wasteful number, since it uses less digits than its factorization.

3215221036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465560 (or 465558 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3215221036 is about 56702.9191135695. The cubic root of 3215221036 is about 1475.9453537199.

Adding to 3215221036 its reverse (6301225123), we get a palindrome (9516446159).

The spelling of 3215221036 in words is "three billion, two hundred fifteen million, two hundred twenty-one thousand, thirty-six".