345215422 has 8 divisors (see below), whose sum is σ = 517903776. Its totient is φ = 172580832.

The previous prime is 345215407. The next prime is 345215443. The reversal of 345215422 is 224512543.

345215422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13078 + ... + 29350.

It is an arithmetic number, because the mean of its divisors is an integer number (64737972).

Almost surely, 2^345215422 is an apocalyptic number.

345215422 is a deficient number, since it is larger than the sum of its proper divisors (172688354).

345215422 is a wasteful number, since it uses less digits than its factorization.

345215422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26882.

The product of its digits is 9600, while the sum is 28.

The square root of 345215422 is about 18579.9736813592. The cubic root of 345215422 is about 701.5038566468.

Adding to 345215422 its reverse (224512543), we get a palindrome (569727965).

The spelling of 345215422 in words is "three hundred forty-five million, two hundred fifteen thousand, four hundred twenty-two".