1122255000 has 400 divisors, whose sum is σ = 4184504280. Its totient is φ = 279936000.

The previous prime is 1122254981. The next prime is 1122255011. The reversal of 1122255000 is 5522211.

1122255000 is a `hidden beast` number, since 112 + 2 + 2 + 550 + 0 + 0 = 666.

It is a super-3 number, since 3×1122255000³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 6884919 + ... + 6885081.

Almost surely, 2^1122255000 is an apocalyptic number.

1122255000 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 1122255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092252140).

1122255000 is an abundant number, since it is smaller than the sum of its proper divisors (3062249280).

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

1122255000 is a wasteful number, since it uses less digits than its factorization.

1122255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1122255000 is about 33500.0746267825. The cubic root of 1122255000 is about 1039.1953218378.

Adding to 1122255000 its reverse (5522211), we get a palindrome (1127777211).

The spelling of 1122255000 in words is "one billion, one hundred twenty-two million, two hundred fifty-five thousand".