1113212224 has 28 divisors (see below), whose sum is σ = 2338975764. Its totient is φ = 523864064.

The previous prime is 1113212137. The next prime is 1113212273. The reversal of 1113212224 is 4222123111.

It can be written as a sum of positive squares in 2 ways, for example, as 850772224 + 262440000 = 29168^2 + 16200^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510499 + ... + 512674.

Almost surely, 2^1113212224 is an apocalyptic number.

It is an amenable number.

1113212224 is an abundant number, since it is smaller than the sum of its proper divisors (1225763540).

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

1113212224 is a wasteful number, since it uses less digits than its factorization.

1113212224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023202 (or 1023192 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 1113212224 is about 33364.8351412082. The cubic root of 1113212224 is about 1036.3966221871.

Adding to 1113212224 its reverse (4222123111), we get a palindrome (5335335335).

The spelling of 1113212224 in words is "one billion, one hundred thirteen million, two hundred twelve thousand, two hundred twenty-four".