219730315 has 16 divisors (see below), whose sum is σ = 307032768. Its totient is φ = 147828096.

The previous prime is 219730283. The next prime is 219730333. The reversal of 219730315 is 513037912.

It is a cyclic number.

It is not a de Polignac number, because 219730315 - 2⁵ = 219730283 is a prime.

It is a super-2 number, since 2×219730315² = 96562822659998450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57372 + ... + 61081.

It is an arithmetic number, because the mean of its divisors is an integer number (19189548).

Almost surely, 2^219730315 is an apocalyptic number.

219730315 is a deficient number, since it is larger than the sum of its proper divisors (87302453).

219730315 is a wasteful number, since it uses less digits than its factorization.

219730315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118518.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 219730315 is about 14823.3031069327. The cubic root of 219730315 is about 603.4343004987.

The spelling of 219730315 in words is "two hundred nineteen million, seven hundred thirty thousand, three hundred fifteen".