219814412 has 12 divisors (see below), whose sum is σ = 391195560. Its totient is φ = 108044256.

The previous prime is 219814411. The next prime is 219814417. The reversal of 219814412 is 214418912.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (219814411) by changing a digit.

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, 465473 + ... + 465944.

It is an arithmetic number, because the mean of its divisors is an integer number (32599630).

Almost surely, 2^219814412 is an apocalyptic number.

It is an amenable number.

219814412 is a deficient number, since it is larger than the sum of its proper divisors (171381148).

219814412 is a wasteful number, since it uses less digits than its factorization.

219814412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931480 (or 931478 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 219814412 is about 14826.1394840329. The cubic root of 219814412 is about 603.5112744651.

The spelling of 219814412 in words is "two hundred nineteen million, eight hundred fourteen thousand, four hundred twelve".