1113224005 has 16 divisors (see below), whose sum is σ = 1448952624. Its totient is φ = 817745920.

The previous prime is 1113223963. The next prime is 1113224009. The reversal of 1113224005 is 5004223111.

It can be written as a sum of positive squares in 8 ways, for example, as 25411681 + 1087812324 = 5041^2 + 32982^2 .

It is not a de Polignac number, because 1113224005 - 2¹³ = 1113215813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113224009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156232 + ... + 163201.

It is an arithmetic number, because the mean of its divisors is an integer number (90559539).

Almost surely, 2^1113224005 is an apocalyptic number.

It is an amenable number.

1113224005 is a deficient number, since it is larger than the sum of its proper divisors (335728619).

1113224005 is a wasteful number, since it uses less digits than its factorization.

1113224005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319496.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1113224005 is about 33365.0116888935. The cubic root of 1113224005 is about 1036.4002781972.

Adding to 1113224005 its reverse (5004223111), we get a palindrome (6117447116).

The spelling of 1113224005 in words is "one billion, one hundred thirteen million, two hundred twenty-four thousand, five".