219234404 has 12 divisors (see below), whose sum is σ = 383928300. Its totient is φ = 109540608.

The previous prime is 219234391. The next prime is 219234443. The reversal of 219234404 is 404432912.

219234404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63234304 + 156000100 = 7952^2 + 12490^2 .

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, 12449 + ... + 24360.

It is an arithmetic number, because the mean of its divisors is an integer number (31994025).

Almost surely, 2^219234404 is an apocalyptic number.

It is an amenable number.

219234404 is a deficient number, since it is larger than the sum of its proper divisors (164693896).

219234404 is a wasteful number, since it uses less digits than its factorization.

219234404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38302 (or 38300 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 219234404 is about 14806.5662460950. The cubic root of 219234404 is about 602.9799934141.

The spelling of 219234404 in words is "two hundred nineteen million, two hundred thirty-four thousand, four hundred four".