219117106 has 8 divisors (see below), whose sum is σ = 353958444. Its totient is φ = 101130960.

The previous prime is 219117089. The next prime is 219117137. The reversal of 219117106 is 601711912.

219117106 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 162792081 + 56325025 = 12759^2 + 7505^2 .

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

It is a super-2 number, since 2×219117106² = 96024612283630472, which contains 22 as substring.

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, 4213765 + ... + 4213816.

Almost surely, 2^219117106 is an apocalyptic number.

219117106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

219117106 is a deficient number, since it is larger than the sum of its proper divisors (134841338).

219117106 is a wasteful number, since it uses less digits than its factorization.

219117106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8427596.

The product of its (nonzero) digits is 756, while the sum is 28.

The square root of 219117106 is about 14802.6047032271. The cubic root of 219117106 is about 602.8724358353.

The spelling of 219117106 in words is "two hundred nineteen million, one hundred seventeen thousand, one hundred six".