1116622320 has 160 divisors (see below), whose sum is σ = 3794757120. Its totient is φ = 269368320.

The previous prime is 1116622303. The next prime is 1116622321. The reversal of 1116622320 is 232266111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116622321) 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, 603637 + ... + 605483.

It is an arithmetic number, because the mean of its divisors is an integer number (23717232).

Almost surely, 2^1116622320 is an apocalyptic number.

1116622320 is a gapful number since it is divisible by the number (10) 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 1116622320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1897378560).

1116622320 is an abundant number, since it is smaller than the sum of its proper divisors (2678134800).

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

1116622320 is a wasteful number, since it uses less digits than its factorization.

1116622320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1116622320 is about 33415.8992098073. The cubic root of 1116622320 is about 1037.4538058496.

Adding to 1116622320 its reverse (232266111), we get a palindrome (1348888431).

The spelling of 1116622320 in words is "one billion, one hundred sixteen million, six hundred twenty-two thousand, three hundred twenty".