345422 has 16 divisors (see below), whose sum is σ = 646272. Its totient is φ = 134520.

The previous prime is 345413. The next prime is 345431. The reversal of 345422 is 224543.

It is an interprime number because it is at equal distance from previous prime (345413) and next prime (345431).

It is a d-powerful number, because it can be written as 3⁶ + 4 + 4⁷ + 5⁴ + 2¹⁶ + 2¹⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 345394 and 345403.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345422.

It is an unprimeable number.

345422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (40392).

2³⁴⁵⁴²² is an apocalyptic number.

345422 is a deficient number, since it is larger than the sum of its proper divisors (300850).

345422 is a wasteful number, since it uses less digits than its factorization.

345422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263.

The product of its digits is 960, while the sum is 20.

The square root of 345422 is about 587.7261266951. The cubic root of 345422 is about 70.1643756120.

Adding to 345422 its reverse (224543), we get a palindrome (569965).

It can be divided in two parts, 345 and 422, that added together give a palindrome (767).

The spelling of 345422 in words is "three hundred forty-five thousand, four hundred twenty-two".