13223220330 has 32 divisors (see below), whose sum is σ = 33602537664. Its totient is φ = 3318768896.

The previous prime is 13223220287. The next prime is 13223220331. The reversal of 13223220330 is 3302232231.

It is a junction number, because it is equal to n+sod(n) for n = 13223220297 and 13223220306.

It is not an unprimeable number, because it can be changed into a prime (13223220331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12963432 + ... + 12964451.

It is an arithmetic number, because the mean of its divisors is an integer number (1050079302).

Almost surely, 2^13223220330 is an apocalyptic number.

13223220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13223220330 is an abundant number, since it is smaller than the sum of its proper divisors (20379317334).

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

13223220330 is a wasteful number, since it uses less digits than its factorization.

13223220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25927910.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 13223220330 its reverse (3302232231), we get a palindrome (16525452561).

The spelling of 13223220330 in words is "thirteen billion, two hundred twenty-three million, two hundred twenty thousand, three hundred thirty".