221014033 has 4 divisors (see below), whose sum is σ = 221045220. Its totient is φ = 220982848.

The previous prime is 221014007. The next prime is 221014037. The reversal of 221014033 is 330410122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 45265984 + 175748049 = 6728^2 + 13257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221014033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221013998 and 221014016.

It is not an unprimeable number, because it can be changed into a prime (221014037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741 + ... + 21037.

It is an arithmetic number, because the mean of its divisors is an integer number (55261305).

Almost surely, 2^221014033 is an apocalyptic number.

It is an amenable number.

221014033 is a deficient number, since it is larger than the sum of its proper divisors (31187).

221014033 is a wasteful number, since it uses less digits than its factorization.

221014033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31186.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 221014033 is about 14866.5407206922. The cubic root of 221014033 is about 604.6071561217.

Adding to 221014033 its reverse (330410122), we get a palindrome (551424155).

The spelling of 221014033 in words is "two hundred twenty-one million, fourteen thousand, thirty-three".