1122345216 has 108 divisors (see below), whose sum is σ = 3280818268. Its totient is φ = 368934912.

The previous prime is 1122345167. The next prime is 1122345221. The reversal of 1122345216 is 6125432211.

1122345216 is a `hidden beast` number, since 112 + 23 + 4 + 521 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 279023616 + 843321600 = 16704^2 + 29040^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1122345216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164856 + ... + 171528.

Almost surely, 2^1122345216 is an apocalyptic number.

1122345216 is a gapful number since it is divisible by the number (16) 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 1122345216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640409134).

1122345216 is an abundant number, since it is smaller than the sum of its proper divisors (2158473052).

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

1122345216 is an equidigital number, since it uses as much as digits as its factorization.

1122345216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768 (or 6751 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1122345216 is about 33501.4211041860. The cubic root of 1122345216 is about 1039.2231674205.

Adding to 1122345216 its reverse (6125432211), we get a palindrome (7247777427).

The spelling of 1122345216 in words is "one billion, one hundred twenty-two million, three hundred forty-five thousand, two hundred sixteen".