2223031222320 has 160 divisors (see below), whose sum is σ = 7255081716480. Its totient is φ = 561532032000.

The previous prime is 2223031222319. The next prime is 2223031222327. The reversal of 2223031222320 is 232221303222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2223031222327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38735887 + ... + 38793233.

It is an arithmetic number, because the mean of its divisors is an integer number (45344260728).

Almost surely, 2^{2223031222320} is an apocalyptic number.

2223031222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223031222320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3627540858240).

2223031222320 is an abundant number, since it is smaller than the sum of its proper divisors (5032050494160).

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

2223031222320 is a wasteful number, since it uses less digits than its factorization.

2223031222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65883 (or 65877 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 2223031222320 its reverse (232221303222), we get a palindrome (2455252525542).

The spelling of 2223031222320 in words is "two trillion, two hundred twenty-three billion, thirty-one million, two hundred twenty-two thousand, three hundred twenty".