1115552223 has 16 divisors (see below), whose sum is σ = 1749886560. Its totient is φ = 699954048.

The previous prime is 1115552219. The next prime is 1115552237. The reversal of 1115552223 is 3222555111.

1115552223 is a `hidden beast` number, since 1 + 115 + 5 + 522 + 23 = 666.

It is not a de Polignac number, because 1115552223 - 2² = 1115552219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115551223) 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, 1214740 + ... + 1215657.

It is an arithmetic number, because the mean of its divisors is an integer number (109367910).

Almost surely, 2^1115552223 is an apocalyptic number.

1115552223 is a deficient number, since it is larger than the sum of its proper divisors (634334337).

1115552223 is a wasteful number, since it uses less digits than its factorization.

1115552223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430423 (or 2430417 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1115552223 is about 33399.8835776414. The cubic root of 1115552223 is about 1037.1222908828.

The spelling of 1115552223 in words is "one billion, one hundred fifteen million, five hundred fifty-two thousand, two hundred twenty-three".