235220212 has 6 divisors (see below), whose sum is σ = 411635378. Its totient is φ = 117610104.

The previous prime is 235220207. The next prime is 235220221. The reversal of 235220212 is 212022532.

It can be written as a sum of positive squares in only one way, i.e., 195832036 + 39388176 = 13994^2 + 6276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 235220212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29402523 + ... + 29402530.

Almost surely, 2^235220212 is an apocalyptic number.

It is an amenable number.

235220212 is a deficient number, since it is larger than the sum of its proper divisors (176415166).

235220212 is a wasteful number, since it uses less digits than its factorization.

235220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58805057 (or 58805055 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 235220212 is about 15336.8905583889. The cubic root of 235220212 is about 617.2932750616.

Adding to 235220212 its reverse (212022532), we get a palindrome (447242744).

The spelling of 235220212 in words is "two hundred thirty-five million, two hundred twenty thousand, two hundred twelve".