219828912 has 20 divisors (see below), whose sum is σ = 567891480. Its totient is φ = 73276288.

The previous prime is 219828901. The next prime is 219828919.

219828912 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×219828912² = 96649501102207488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (219828919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289837 + ... + 2289932.

It is an arithmetic number, because the mean of its divisors is an integer number (28394574).

Almost surely, 2^219828912 is an apocalyptic number.

It is an amenable number.

219828912 is an abundant number, since it is smaller than the sum of its proper divisors (348062568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219828912 is a wasteful number, since it uses less digits than its factorization.

219828912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579780 (or 4579774 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 219828912 is about 14826.6284771690. The cubic root of 219828912 is about 603.5245443276.

The spelling of 219828912 in words is "two hundred nineteen million, eight hundred twenty-eight thousand, nine hundred twelve".