219139214 has 16 divisors (see below), whose sum is σ = 397765728. Its totient is φ = 88392192.

The previous prime is 219139213. The next prime is 219139229. The reversal of 219139214 is 412931912.

It is a super-2 number, since 2×219139214² = 96043990225075592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219139213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460139 + ... + 460614.

It is an arithmetic number, because the mean of its divisors is an integer number (24860358).

Almost surely, 2^219139214 is an apocalyptic number.

219139214 is a deficient number, since it is larger than the sum of its proper divisors (178626514).

219139214 is a wasteful number, since it uses less digits than its factorization.

219139214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920779.

The product of its digits is 3888, while the sum is 32.

The square root of 219139214 is about 14803.3514448587. The cubic root of 219139214 is about 602.8927109229.

The spelling of 219139214 in words is "two hundred nineteen million, one hundred thirty-nine thousand, two hundred fourteen".