340521226 has 8 divisors (see below), whose sum is σ = 511578144. Its totient is φ = 169995180.

The previous prime is 340521217. The next prime is 340521239. The reversal of 340521226 is 622125043.

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

It is a self number, because there is not a number n which added to its sum of digits gives 340521226.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 131110 + ... + 133681.

It is an arithmetic number, because the mean of its divisors is an integer number (63947268).

Almost surely, 2^340521226 is an apocalyptic number.

340521226 is a deficient number, since it is larger than the sum of its proper divisors (171056918).

340521226 is a wasteful number, since it uses less digits than its factorization.

340521226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265436.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 340521226 is about 18453.2172262725. The cubic root of 340521226 is about 698.3096807847.

Adding to 340521226 its reverse (622125043), we get a palindrome (962646269).

The spelling of 340521226 in words is "three hundred forty million, five hundred twenty-one thousand, two hundred twenty-six".