219094868 has 12 divisors (see below), whose sum is σ = 383564160. Its totient is φ = 109505112.

The previous prime is 219094831. The next prime is 219094873. The reversal of 219094868 is 868490912.

It is a super-2 number, since 2×219094868² = 96005122367874848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005 + ... + 21147.

It is an arithmetic number, because the mean of its divisors is an integer number (31963680).

Almost surely, 2^219094868 is an apocalyptic number.

It is an amenable number.

219094868 is a deficient number, since it is larger than the sum of its proper divisors (164469292).

219094868 is a wasteful number, since it uses less digits than its factorization.

219094868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21166 (or 21164 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 219094868 is about 14801.8535325817. The cubic root of 219094868 is about 602.8520401497.

The spelling of 219094868 in words is "two hundred nineteen million, ninety-four thousand, eight hundred sixty-eight".