Adding to 345522 its sum of digits (21), we get a palindrome (345543).
It is a sphenic number, since it is the product of 3 distinct primes.
345522 is an admirable number.
It is an unprimeable number.
2345522 is an apocalyptic number.
345522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
345522 is a wasteful number, since it uses less digits than its factorization.
345522 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57592.
The square root of 345522 is about 587.8111941772. The cubic root of 345522 is about 70.1711458434.
The spelling of 345522 in words is "three hundred forty-five thousand, five hundred twenty-two".