220219999 has 8 divisors (see below), whose sum is σ = 223235712. Its totient is φ = 217213080.

The previous prime is 220219991. The next prime is 220220053. The reversal of 220219999 is 999912022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220219999 - 2³ = 220219991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220219991) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59884 + ... + 63454.

It is an arithmetic number, because the mean of its divisors is an integer number (27904464).

Almost surely, 2^220219999 is an apocalyptic number.

220219999 is a deficient number, since it is larger than the sum of its proper divisors (3015713).

220219999 is an equidigital number, since it uses as much as digits as its factorization.

220219999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 220219999 is about 14839.8112858621. The cubic root of 220219999 is about 603.8822327518.

It can be divided in two parts, 2202 and 19999, that added together give a square (22201 = 149²).

The spelling of 220219999 in words is "two hundred twenty million, two hundred nineteen thousand, nine hundred ninety-nine".