1122605568 has 240 divisors, whose sum is σ = 3842879040. Its totient is φ = 320495616.

The previous prime is 1122605531. The next prime is 1122605581. The reversal of 1122605568 is 8655062211.

1122605568 is a `hidden beast` number, since 11 + 22 + 60 + 5 + 568 = 666.

It is a super-2 number, since 2×1122605568² = 2520486522609205248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 870268 + ... + 871556.

It is an arithmetic number, because the mean of its divisors is an integer number (16011996).

Almost surely, 2^1122605568 is an apocalyptic number.

1122605568 is a gapful number since it is divisible by the number (18) 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 1122605568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921439520).

1122605568 is an abundant number, since it is smaller than the sum of its proper divisors (2720273472).

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

1122605568 is an frugal number, since it uses more digits than its factorization.

1122605568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1122605568 is about 33505.3065647816. The cubic root of 1122605568 is about 1039.3035178949.

Adding to 1122605568 its reverse (8655062211), we get a palindrome (9777667779).

The spelling of 1122605568 in words is "one billion, one hundred twenty-two million, six hundred five thousand, five hundred sixty-eight".