345226211866 has 16 divisors (see below), whose sum is σ = 520051200768. Its totient is φ = 171877280400.

The previous prime is 345226211849. The next prime is 345226211867. The reversal of 345226211866 is 668112622543.

It is a happy number.

It is a super-3 number, since 3×345226211866³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (345226211867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104031 + ... + 837421.

It is an arithmetic number, because the mean of its divisors is an integer number (32503200048).

Almost surely, 2^345226211866 is an apocalyptic number.

345226211866 is a deficient number, since it is larger than the sum of its proper divisors (174824988902).

345226211866 is a wasteful number, since it uses less digits than its factorization.

345226211866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734397.

The product of its digits is 829440, while the sum is 46.

The spelling of 345226211866 in words is "three hundred forty-five billion, two hundred twenty-six million, two hundred eleven thousand, eight hundred sixty-six".