23220012231330 has 32 divisors (see below), whose sum is σ = 56399451401664. Its totient is φ = 6117400812096.

The previous prime is 23220012231281. The next prime is 23220012231337. The reversal of 23220012231330 is 3313221002232.

It is a super-2 number, since 2×23220012231330² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23220012231330.

It is not an unprimeable number, because it can be changed into a prime (23220012231337) 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, 4662650569 + ... + 4662655548.

It is an arithmetic number, because the mean of its divisors is an integer number (1762482856302).

Almost surely, 2^{23220012231330} is an apocalyptic number.

23220012231330 is an abundant number, since it is smaller than the sum of its proper divisors (33179439170334).

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

23220012231330 is a wasteful number, since it uses less digits than its factorization.

23220012231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325306210.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23220012231330 its reverse (3313221002232), we get a palindrome (26533233233562).

The spelling of 23220012231330 in words is "twenty-three trillion, two hundred twenty billion, twelve million, two hundred thirty-one thousand, three hundred thirty".