355220212 has 6 divisors (see below), whose sum is σ = 621635378. Its totient is φ = 177610104.

The previous prime is 355220207. The next prime is 355220213. The reversal of 355220212 is 212022553.

355220212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 213276816 + 141943396 = 14604^2 + 11914^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44402523 + ... + 44402530.

Almost surely, 2^355220212 is an apocalyptic number.

It is an amenable number.

355220212 is a deficient number, since it is larger than the sum of its proper divisors (266415166).

355220212 is a wasteful number, since it uses less digits than its factorization.

355220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88805057 (or 88805055 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 355220212 is about 18847.2865951574. The cubic root of 355220212 is about 708.2162537502.

Adding to 355220212 its reverse (212022553), we get a palindrome (567242765).

The spelling of 355220212 in words is "three hundred fifty-five million, two hundred twenty thousand, two hundred twelve".