345783227 has 4 divisors (see below), whose sum is σ = 345891096. Its totient is φ = 345675360.

The previous prime is 345783199. The next prime is 345783293. The reversal of 345783227 is 722387543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722387543 = 19 ⋅38020397.

It is a cyclic number.

It is not a de Polignac number, because 345783227 - 2¹² = 345779131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345788227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48974 + ... + 55587.

It is an arithmetic number, because the mean of its divisors is an integer number (86472774).

Almost surely, 2^345783227 is an apocalyptic number.

345783227 is a deficient number, since it is larger than the sum of its proper divisors (107869).

345783227 is a wasteful number, since it uses less digits than its factorization.

345783227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107868.

The product of its digits is 282240, while the sum is 41.

The square root of 345783227 is about 18595.2474304592. The cubic root of 345783227 is about 701.8882535472. Note that the first 3 decimals are identical.

The spelling of 345783227 in words is "three hundred forty-five million, seven hundred eighty-three thousand, two hundred twenty-seven".