219872804 has 6 divisors (see below), whose sum is σ = 384777414. Its totient is φ = 109936400.

The previous prime is 219872789. The next prime is 219872813. The reversal of 219872804 is 408278912.

It can be written as a sum of positive squares in only one way, i.e., 216031204 + 3841600 = 14698^2 + 1960^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27484097 + ... + 27484104.

It is an arithmetic number, because the mean of its divisors is an integer number (64129569).

Almost surely, 2^219872804 is an apocalyptic number.

It is an amenable number.

219872804 is a deficient number, since it is larger than the sum of its proper divisors (164904610).

219872804 is a wasteful number, since it uses less digits than its factorization.

219872804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54968205 (or 54968203 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 219872804 is about 14828.1085779677. The cubic root of 219872804 is about 603.5647091027.

The spelling of 219872804 in words is "two hundred nineteen million, eight hundred seventy-two thousand, eight hundred four".