3215222404 has 24 divisors (see below), whose sum is σ = 5726999768. Its totient is φ = 1579011840.

The previous prime is 3215222399. The next prime is 3215222429. The reversal of 3215222404 is 4042225123.

3215222404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 515380804 + 2699841600 = 22702^2 + 51960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169864 + ... + 187840.

Almost surely, 2^3215222404 is an apocalyptic number.

It is an amenable number.

3215222404 is a deficient number, since it is larger than the sum of its proper divisors (2511777364).

3215222404 is a wasteful number, since it uses less digits than its factorization.

3215222404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18775 (or 18773 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 3215222404 is about 56702.9311764392. The cubic root of 3215222404 is about 1475.9455630464.

Adding to 3215222404 its reverse (4042225123), we get a palindrome (7257447527).

The spelling of 3215222404 in words is "three billion, two hundred fifteen million, two hundred twenty-two thousand, four hundred four".