3214221320 has 16 divisors (see below), whose sum is σ = 7231998060. Its totient is φ = 1285688512.

The previous prime is 3214221313. The next prime is 3214221337. The reversal of 3214221320 is 231224123.

It can be written as a sum of positive squares in 2 ways, for example, as 2922699844 + 291521476 = 54062^2 + 17074^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3214221292 and 3214221301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40177727 + ... + 40177806.

Almost surely, 2^3214221320 is an apocalyptic number.

It is an amenable number.

3214221320 is an abundant number, since it is smaller than the sum of its proper divisors (4017776740).

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

3214221320 is a wasteful number, since it uses less digits than its factorization.

3214221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80355544 (or 80355540 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3214221320 is about 56694.1030443202. The cubic root of 3214221320 is about 1475.7923648456.

Adding to 3214221320 its reverse (231224123), we get a palindrome (3445445443).

The spelling of 3214221320 in words is "three billion, two hundred fourteen million, two hundred twenty-one thousand, three hundred twenty".