345422263 has 4 divisors (see below), whose sum is σ = 345738240. Its totient is φ = 345106288.

The previous prime is 345422237. The next prime is 345422309. The reversal of 345422263 is 362224543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362224543 = 13619 ⋅26597.

It is a cyclic number.

It is not a de Polignac number, because 345422263 - 2²¹ = 343325111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345422213) 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 3 ways as a sum of consecutive naturals, for example, 156343 + ... + 158536.

It is an arithmetic number, because the mean of its divisors is an integer number (86434560).

Almost surely, 2^345422263 is an apocalyptic number.

345422263 is a deficient number, since it is larger than the sum of its proper divisors (315977).

345422263 is a wasteful number, since it uses less digits than its factorization.

345422263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315976.

The product of its digits is 34560, while the sum is 31.

The square root of 345422263 is about 18585.5390828461. The cubic root of 345422263 is about 701.6439341946.

The spelling of 345422263 in words is "three hundred forty-five million, four hundred twenty-two thousand, two hundred sixty-three".