219030530 has 16 divisors (see below), whose sum is σ = 398084544. Its totient is φ = 86761200.

The previous prime is 219030529. The next prime is 219030557. The reversal of 219030530 is 35030912.

It is a happy number.

219030530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 219030496 and 219030505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105296 + ... + 107355.

It is an arithmetic number, because the mean of its divisors is an integer number (24880284).

Almost surely, 2^219030530 is an apocalyptic number.

219030530 is a deficient number, since it is larger than the sum of its proper divisors (179054014).

219030530 is a wasteful number, since it uses less digits than its factorization.

219030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212761.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 219030530 is about 14799.6800641095. The cubic root of 219030530 is about 602.7930244790.

The spelling of 219030530 in words is "two hundred nineteen million, thirty thousand, five hundred thirty".