734306221 has 8 divisors (see below), whose sum is σ = 807177888. Its totient is φ = 662454000.

The previous prime is 734306203. The next prime is 734306231. The reversal of 734306221 is 122603437.

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 734306221 - 2⁵ = 734306189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 734306221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734306201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253350 + ... + 256231.

It is an arithmetic number, because the mean of its divisors is an integer number (100897236).

Almost surely, 2^734306221 is an apocalyptic number.

It is an amenable number.

734306221 is a deficient number, since it is larger than the sum of its proper divisors (72871667).

734306221 is a wasteful number, since it uses less digits than its factorization.

734306221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509723.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 734306221 is about 27098.0851906551. The cubic root of 734306221 is about 902.1783533171.

Adding to 734306221 its reverse (122603437), we get a palindrome (856909658).

The spelling of 734306221 in words is "seven hundred thirty-four million, three hundred six thousand, two hundred twenty-one".