402230212 has 12 divisors (see below), whose sum is σ = 714409360. Its totient is φ = 198113256.

The previous prime is 402230189. The next prime is 402230221. The reversal of 402230212 is 212032204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750162 + ... + 750697.

Almost surely, 2^402230212 is an apocalyptic number.

It is an amenable number.

402230212 is a deficient number, since it is larger than the sum of its proper divisors (312179148).

402230212 is a wasteful number, since it uses less digits than its factorization.

402230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500930 (or 1500928 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402230212 is about 20055.6777995659. The cubic root of 402230212 is about 738.1731244854.

Adding to 402230212 its reverse (212032204), we get a palindrome (614262416).

The spelling of 402230212 in words is "four hundred two million, two hundred thirty thousand, two hundred twelve".