3223140320 has 24 divisors (see below), whose sum is σ = 7614669384. Its totient is φ = 1289256064.

The previous prime is 3223140307. The next prime is 3223140331. The reversal of 3223140320 is 230413223.

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 = 3223140292 and 3223140301.

It is a congruent number.

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, 10072154 + ... + 10072473.

It is an arithmetic number, because the mean of its divisors is an integer number (317277891).

Almost surely, 2^3223140320 is an apocalyptic number.

It is an amenable number.

3223140320 is an abundant number, since it is smaller than the sum of its proper divisors (4391529064).

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

3223140320 is a wasteful number, since it uses less digits than its factorization.

3223140320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20144642 (or 20144634 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3223140320 is about 56772.7075274731. The cubic root of 3223140320 is about 1477.1561410931.

Adding to 3223140320 its reverse (230413223), we get a palindrome (3453553543).

The spelling of 3223140320 in words is "three billion, two hundred twenty-three million, one hundred forty thousand, three hundred twenty".