350304220 has 24 divisors (see below), whose sum is σ = 840730464. Its totient is φ = 120104256.

The previous prime is 350304217. The next prime is 350304257. The reversal of 350304220 is 22403053.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250947 + ... + 1251226.

It is an arithmetic number, because the mean of its divisors is an integer number (35030436).

Almost surely, 2^350304220 is an apocalyptic number.

It is an amenable number.

350304220 is an abundant number, since it is smaller than the sum of its proper divisors (490426244).

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

350304220 is a wasteful number, since it uses less digits than its factorization.

350304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502189 (or 2502187 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 350304220 is about 18716.4157893545. The cubic root of 350304220 is about 704.9339978115.

Adding to 350304220 its reverse (22403053), we get a palindrome (372707273).

The spelling of 350304220 in words is "three hundred fifty million, three hundred four thousand, two hundred twenty".