1122235500 has 192 divisors, whose sum is σ = 3394879488. Its totient is φ = 287884800.

The previous prime is 1122235489. The next prime is 1122235507. The reversal of 1122235500 is 55322211.

It is a super-4 number, since 4×1122235500⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122235507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8191432 + ... + 8191568.

It is an arithmetic number, because the mean of its divisors is an integer number (17681664).

Almost surely, 2^1122235500 is an apocalyptic number.

1122235500 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 1122235500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697439744).

1122235500 is an abundant number, since it is smaller than the sum of its proper divisors (2272643988).

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

1122235500 is a wasteful number, since it uses less digits than its factorization.

1122235500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1122235500 is about 33499.7835813905. The cubic root of 1122235500 is about 1039.1893028771.

Adding to 1122235500 its reverse (55322211), we get a palindrome (1177557711).

The spelling of 1122235500 in words is "one billion, one hundred twenty-two million, two hundred thirty-five thousand, five hundred".