3450220 has 24 divisors (see below), whose sum is σ = 7295904. Its totient is φ = 1370496.

The previous prime is 3450211. The next prime is 3450233. The reversal of 3450220 is 220543.

3450220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3450194 and 3450203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2824 + ... + 3856.

It is an arithmetic number, because the mean of its divisors is an integer number (303996).

Almost surely, 2^3450220 is an apocalyptic number.

It is an amenable number.

3450220 is an abundant number, since it is smaller than the sum of its proper divisors (3845684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3450220 is a wasteful number, since it uses less digits than its factorization.

3450220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3450220 is about 1857.4767831658. The cubic root of 3450220 is about 151.1061925703.

Adding to 3450220 its reverse (220543), we get a palindrome (3670763).

The spelling of 3450220 in words is "three million, four hundred fifty thousand, two hundred twenty".