340223220355 has 16 divisors (see below), whose sum is σ = 414241081344. Its totient is φ = 268223069920.

The previous prime is 340223220349. The next prime is 340223220373. The reversal of 340223220355 is 553022322043.

It is a happy number.

It is not a de Polignac number, because 340223220355 - 2¹³ = 340223212163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562557 + ... + 1766926.

It is an arithmetic number, because the mean of its divisors is an integer number (25890067584).

Almost surely, 2^340223220355 is an apocalyptic number.

340223220355 is a deficient number, since it is larger than the sum of its proper divisors (74017860989).

340223220355 is a wasteful number, since it uses less digits than its factorization.

340223220355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329786.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 340223220355 its reverse (553022322043), we get a palindrome (893245542398).

The spelling of 340223220355 in words is "three hundred forty billion, two hundred twenty-three million, two hundred twenty thousand, three hundred fifty-five".