221153033 has 8 divisors (see below), whose sum is σ = 227872320. Its totient is φ = 214472880.

The previous prime is 221153029. The next prime is 221153041. The reversal of 221153033 is 330351122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221153033 - 2² = 221153029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221152996 and 221153014.

It is not an unprimeable number, because it can be changed into a prime (221153003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898 + ... + 21116.

It is an arithmetic number, because the mean of its divisors is an integer number (28484040).

Almost surely, 2^221153033 is an apocalyptic number.

It is an amenable number.

221153033 is a deficient number, since it is larger than the sum of its proper divisors (6719287).

221153033 is a wasteful number, since it uses less digits than its factorization.

221153033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19567.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 221153033 is about 14871.2149133822. The cubic root of 221153033 is about 604.7338792706.

The spelling of 221153033 in words is "two hundred twenty-one million, one hundred fifty-three thousand, thirty-three".