1113220233 has 16 divisors (see below), whose sum is σ = 1689441600. Its totient is φ = 724044960.

The previous prime is 1113220183. The next prime is 1113220247. The reversal of 1113220233 is 3320223111.

1113220233 is a `hidden beast` number, since 111 + 322 + 0 + 233 = 666.

It is not a de Polignac number, because 1113220233 - 2¹⁶ = 1113154697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113220253) 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, 501703 + ... + 503916.

It is an arithmetic number, because the mean of its divisors is an integer number (105590100).

Almost surely, 2^1113220233 is an apocalyptic number.

It is an amenable number.

1113220233 is a deficient number, since it is larger than the sum of its proper divisors (576221367).

1113220233 is a wasteful number, since it uses less digits than its factorization.

1113220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005669 (or 1005663 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1113220233 is about 33364.9551625654. The cubic root of 1113220233 is about 1036.3991076313.

Adding to 1113220233 its reverse (3320223111), we get a palindrome (4433443344).

The spelling of 1113220233 in words is "one billion, one hundred thirteen million, two hundred twenty thousand, two hundred thirty-three".