221235034 has 8 divisors (see below), whose sum is σ = 342557568. Its totient is φ = 107049180.

The previous prime is 221235029. The next prime is 221235037. The reversal of 221235034 is 430532122.

221235034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 221234996 and 221235014.

It is not an unprimeable number, because it can be changed into a prime (221235037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784092 + ... + 1784215.

It is an arithmetic number, because the mean of its divisors is an integer number (42819696).

Almost surely, 2^221235034 is an apocalyptic number.

221235034 is a deficient number, since it is larger than the sum of its proper divisors (121322534).

221235034 is a wasteful number, since it uses less digits than its factorization.

221235034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568340.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 221235034 is about 14873.9716955492. The cubic root of 221235034 is about 604.8086128227.

Adding to 221235034 its reverse (430532122), we get a palindrome (651767156).

The spelling of 221235034 in words is "two hundred twenty-one million, two hundred thirty-five thousand, thirty-four".