340223194 has 4 divisors (see below), whose sum is σ = 510334794. Its totient is φ = 170111596.

The previous prime is 340223189. The next prime is 340223201. The reversal of 340223194 is 491322043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 491322043 = 2659 ⋅184777.

It can be written as a sum of positive squares in only one way, i.e., 287472025 + 52751169 = 16955^2 + 7263^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85055797 + ... + 85055800.

Almost surely, 2^340223194 is an apocalyptic number.

340223194 is a deficient number, since it is larger than the sum of its proper divisors (170111600).

340223194 is a wasteful number, since it uses less digits than its factorization.

340223194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170111599.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 340223194 is about 18445.1401187413. The cubic root of 340223194 is about 698.1058957623.

The spelling of 340223194 in words is "three hundred forty million, two hundred twenty-three thousand, one hundred ninety-four".