1113021224 has 16 divisors (see below), whose sum is σ = 2385045600. Its totient is φ = 477009072.

The previous prime is 1113021223. The next prime is 1113021227. The reversal of 1113021224 is 4221203111.

It is not an unprimeable number, because it can be changed into a prime (1113021223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9937634 + ... + 9937745.

It is an arithmetic number, because the mean of its divisors is an integer number (149065350).

Almost surely, 2^1113021224 is an apocalyptic number.

1113021224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1113021224 is an abundant number, since it is smaller than the sum of its proper divisors (1272024376).

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

1113021224 is a wasteful number, since it uses less digits than its factorization.

1113021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19875392 (or 19875388 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1113021224 is about 33361.9727234467. The cubic root of 1113021224 is about 1036.3373453565.

Adding to 1113021224 its reverse (4221203111), we get a palindrome (5334224335).

The spelling of 1113021224 in words is "one billion, one hundred thirteen million, twenty-one thousand, two hundred twenty-four".