55223201322 has 12 divisors (see below), whose sum is σ = 119650269570. Its totient is φ = 18407733768.

The previous prime is 55223201311. The next prime is 55223201323. The reversal of 55223201322 is 22310232255.

55223201322 is a `hidden beast` number, since 5 + 522 + 3 + 2 + 0 + 132 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37986399801 + 17236801521 = 194901^2 + 131289^2 .

It is not an unprimeable number, because it can be changed into a prime (55223201323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1533977797 + ... + 1533977832.

Almost surely, 2^55223201322 is an apocalyptic number.

55223201322 is an abundant number, since it is smaller than the sum of its proper divisors (64427068248).

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

55223201322 is a wasteful number, since it uses less digits than its factorization.

55223201322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067955637 (or 3067955634 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 55223201322 its reverse (22310232255), we get a palindrome (77533433577).

The spelling of 55223201322 in words is "fifty-five billion, two hundred twenty-three million, two hundred one thousand, three hundred twenty-two".