2223321540 has 192 divisors, whose sum is σ = 7439765760. Its totient is φ = 489717760.

The previous prime is 2223321521. The next prime is 2223321553. The reversal of 2223321540 is 451233222.

It is a self number, because there is not a number n which added to its sum of digits gives 2223321540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 321964 + ... + 328796.

It is an arithmetic number, because the mean of its divisors is an integer number (38748780).

Almost surely, 2^2223321540 is an apocalyptic number.

2223321540 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 2223321540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3719882880).

2223321540 is an abundant number, since it is smaller than the sum of its proper divisors (5216444220).

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

2223321540 is a wasteful number, since it uses less digits than its factorization.

2223321540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6902 (or 6900 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2223321540 is about 47152.1106632566. The cubic root of 2223321540 is about 1305.1710290958.

Adding to 2223321540 its reverse (451233222), we get a palindrome (2674554762).

The spelling of 2223321540 in words is "two billion, two hundred twenty-three million, three hundred twenty-one thousand, five hundred forty".