322220313040 has 20 divisors (see below), whose sum is σ = 749162228004. Its totient is φ = 128888125184.

The previous prime is 322220313007. The next prime is 322220313089. The reversal of 322220313040 is 40313022223.

It can be written as a sum of positive squares in 2 ways, for example, as 114306200464 + 207914112576 = 338092^2 + 455976^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 2013876877 + ... + 2013877036.

Almost surely, 2^322220313040 is an apocalyptic number.

It is an amenable number.

322220313040 is an abundant number, since it is smaller than the sum of its proper divisors (426941914964).

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

322220313040 is a wasteful number, since it uses less digits than its factorization.

322220313040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027753926 (or 4027753920 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 322220313040 its reverse (40313022223), we get a palindrome (362533335263).

The spelling of 322220313040 in words is "three hundred twenty-two billion, two hundred twenty million, three hundred thirteen thousand, forty".