340300221 has 8 divisors (see below), whose sum is σ = 453884064. Its totient is φ = 226791600.

The previous prime is 340300201. The next prime is 340300223. The reversal of 340300221 is 122003043.

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

It is not a de Polignac number, because 340300221 - 2¹⁴ = 340283837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340300223) 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, 7230 + ... + 27071.

It is an arithmetic number, because the mean of its divisors is an integer number (56735508).

Almost surely, 2^340300221 is an apocalyptic number.

It is an amenable number.

340300221 is a deficient number, since it is larger than the sum of its proper divisors (113583843).

340300221 is a wasteful number, since it uses less digits than its factorization.

340300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37611.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 340300221 is about 18447.2280031445. The cubic root of 340300221 is about 698.1585758325.

Adding to 340300221 its reverse (122003043), we get a palindrome (462303264).

The spelling of 340300221 in words is "three hundred forty million, three hundred thousand, two hundred twenty-one".