345783226 has 4 divisors (see below), whose sum is σ = 518674842. Its totient is φ = 172891612.

The previous prime is 345783199. The next prime is 345783293. The reversal of 345783226 is 622387543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622387543 = 271 ⋅2296633.

It can be written as a sum of positive squares in only one way, i.e., 257442025 + 88341201 = 16045^2 + 9399^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86445805 + ... + 86445808.

Almost surely, 2^345783226 is an apocalyptic number.

345783226 is a deficient number, since it is larger than the sum of its proper divisors (172891616).

345783226 is a wasteful number, since it uses less digits than its factorization.

345783226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172891615.

The product of its digits is 241920, while the sum is 40.

The square root of 345783226 is about 18595.2474035706. The cubic root of 345783226 is about 701.8882528706. Note that the first 3 decimals are identical.

The spelling of 345783226 in words is "three hundred forty-five million, seven hundred eighty-three thousand, two hundred twenty-six".