340221326 has 4 divisors (see below), whose sum is σ = 510331992. Its totient is φ = 170110662.

The previous prime is 340221307. The next prime is 340221337. The reversal of 340221326 is 623122043.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85055330 + ... + 85055333.

It is an arithmetic number, because the mean of its divisors is an integer number (127582998).

Almost surely, 2^340221326 is an apocalyptic number.

340221326 is a deficient number, since it is larger than the sum of its proper divisors (170110666).

340221326 is a wasteful number, since it uses less digits than its factorization.

340221326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170110665.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 340221326 is about 18445.0894820275. The cubic root of 340221326 is about 698.1046181067.

Adding to 340221326 its reverse (623122043), we get a palindrome (963343369).

The spelling of 340221326 in words is "three hundred forty million, two hundred twenty-one thousand, three hundred twenty-six".