345140222 has 48 divisors (see below), whose sum is σ = 641208960. Its totient is φ = 138442752.

The previous prime is 345140221. The next prime is 345140251. The reversal of 345140222 is 222041543.

It is a happy number.

345140222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345140221) 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 23 ways as a sum of consecutive naturals, for example, 371054 + ... + 371982.

It is an arithmetic number, because the mean of its divisors is an integer number (13358520).

Almost surely, 2^345140222 is an apocalyptic number.

345140222 is a deficient number, since it is larger than the sum of its proper divisors (296068738).

345140222 is a wasteful number, since it uses less digits than its factorization.

345140222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 345140222 is about 18577.9498868955. The cubic root of 345140222 is about 701.4529155845.

Adding to 345140222 its reverse (222041543), we get a palindrome (567181765).

The spelling of 345140222 in words is "three hundred forty-five million, one hundred forty thousand, two hundred twenty-two".