345112222 has 16 divisors (see below), whose sum is σ = 637130592. Its totient is φ = 136527840.

The previous prime is 345112177. The next prime is 345112231. The reversal of 345112222 is 222211543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 345112193 and 345112202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 947929 + ... + 948292.

It is an arithmetic number, because the mean of its divisors is an integer number (39820662).

Almost surely, 2^345112222 is an apocalyptic number.

345112222 is a deficient number, since it is larger than the sum of its proper divisors (292018370).

345112222 is a wasteful number, since it uses less digits than its factorization.

345112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896243.

The product of its digits is 960, while the sum is 22.

The square root of 345112222 is about 18577.1962900756. The cubic root of 345112222 is about 701.4339462772.

Adding to 345112222 its reverse (222211543), we get a palindrome (567323765).

The spelling of 345112222 in words is "three hundred forty-five million, one hundred twelve thousand, two hundred twenty-two".