23320002222 has 320 divisors, whose sum is σ = 62437858560. Its totient is φ = 6429196800.

The previous prime is 23320002221. The next prime is 23320002257. The reversal of 23320002222 is 22220002332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23320002195 and 23320002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320002221) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 148534968 + ... + 148535124.

It is an arithmetic number, because the mean of its divisors is an integer number (195118308).

Almost surely, 2^23320002222 is an apocalyptic number.

23320002222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23320002222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31218929280).

23320002222 is an abundant number, since it is smaller than the sum of its proper divisors (39117856338).

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

23320002222 is a wasteful number, since it uses less digits than its factorization.

23320002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 23320002222 its reverse (22220002332), we get a palindrome (45540004554).

The spelling of 23320002222 in words is "twenty-three billion, three hundred twenty million, two thousand, two hundred twenty-two".