1113222032 has 20 divisors (see below), whose sum is σ = 2322781020. Its totient is φ = 513794688.

The previous prime is 1113222031. The next prime is 1113222049. The reversal of 1113222032 is 2302223111.

It can be written as a sum of positive squares in 2 ways, for example, as 158659216 + 954562816 = 12596^2 + 30896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1113222032.

It is not an unprimeable number, because it can be changed into a prime (1113222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675807 + ... + 2676222.

It is an arithmetic number, because the mean of its divisors is an integer number (116139051).

Almost surely, 2^1113222032 is an apocalyptic number.

It is an amenable number.

1113222032 is an abundant number, since it is smaller than the sum of its proper divisors (1209558988).

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

1113222032 is a wasteful number, since it uses less digits than its factorization.

1113222032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352050 (or 5352044 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1113222032 is about 33364.9821219793. The cubic root of 1113222032 is about 1036.3996659159.

Adding to 1113222032 its reverse (2302223111), we get a palindrome (3415445143).

The spelling of 1113222032 in words is "one billion, one hundred thirteen million, two hundred twenty-two thousand, thirty-two".