221344034 has 8 divisors (see below), whose sum is σ = 349490640. Its totient is φ = 104847156.

The previous prime is 221344031. The next prime is 221344043. The reversal of 221344034 is 430443122.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221344031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912384 + ... + 2912459.

It is an arithmetic number, because the mean of its divisors is an integer number (43686330).

Almost surely, 2^221344034 is an apocalyptic number.

221344034 is a deficient number, since it is larger than the sum of its proper divisors (128146606).

221344034 is a wasteful number, since it uses less digits than its factorization.

221344034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824864.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 221344034 is about 14877.6353631886. The cubic root of 221344034 is about 604.9079239699.

Adding to 221344034 its reverse (430443122), we get a palindrome (651787156).

The spelling of 221344034 in words is "two hundred twenty-one million, three hundred forty-four thousand, thirty-four".