2331122223040 has 112 divisors (see below), whose sum is σ = 5991302419200. Its totient is φ = 858804387840.

The previous prime is 2331122223029. The next prime is 2331122223043. The reversal of 2331122223040 is 403222211332.

It is a junction number, because it is equal to n+sod(n) for n = 2331122222996 and 2331122223014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331122223043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243825 + ... + 2491855.

It is an arithmetic number, because the mean of its divisors is an integer number (53493771600).

Almost surely, 2^{2331122223040} is an apocalyptic number.

2331122223040 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 2331122223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995651209600).

2331122223040 is an abundant number, since it is smaller than the sum of its proper divisors (3660180196160).

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

2331122223040 is a wasteful number, since it uses less digits than its factorization.

2331122223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248510 (or 1248500 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2331122223040 its reverse (403222211332), we get a palindrome (2734344434372).

The spelling of 2331122223040 in words is "two trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred twenty-three thousand, forty".