345022321 has 8 divisors (see below), whose sum is σ = 396515520. Its totient is φ = 294080208.

The previous prime is 345022319. The next prime is 345022331. The reversal of 345022321 is 123220543.

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

It is a cyclic number.

It is not a de Polignac number, because 345022321 - 2¹ = 345022319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345022292 and 345022301.

It is not an unprimeable number, because it can be changed into a prime (345022331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136426 + ... + 138931.

It is an arithmetic number, because the mean of its divisors is an integer number (49564440).

Almost surely, 2^345022321 is an apocalyptic number.

It is an amenable number.

345022321 is a deficient number, since it is larger than the sum of its proper divisors (51493199).

345022321 is a wasteful number, since it uses less digits than its factorization.

345022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275543.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 345022321 is about 18574.7764724101. The cubic root of 345022321 is about 701.3730336372.

Adding to 345022321 its reverse (123220543), we get a palindrome (468242864).

The spelling of 345022321 in words is "three hundred forty-five million, twenty-two thousand, three hundred twenty-one".