219440212 has 12 divisors (see below), whose sum is σ = 384657280. Its totient is φ = 109538136.

The previous prime is 219440203. The next prime is 219440257. The reversal of 219440212 is 212044912.

219440212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 42762 + ... + 47617.

Almost surely, 2^219440212 is an apocalyptic number.

It is an amenable number.

219440212 is a deficient number, since it is larger than the sum of its proper divisors (165217068).

219440212 is a wasteful number, since it uses less digits than its factorization.

219440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90990 (or 90988 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 219440212 is about 14813.5145053427. The cubic root of 219440212 is about 603.1686184531.

The spelling of 219440212 in words is "two hundred nineteen million, four hundred forty thousand, two hundred twelve".