219214854 has 48 divisors (see below), whose sum is σ = 486570240. Its totient is φ = 71305200.

The previous prime is 219214811. The next prime is 219214867. The reversal of 219214854 is 458412912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159679 + ... + 161045.

It is an arithmetic number, because the mean of its divisors is an integer number (10136880).

Almost surely, 2^219214854 is an apocalyptic number.

219214854 is an abundant number, since it is smaller than the sum of its proper divisors (267355386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219214854 is a wasteful number, since it uses less digits than its factorization.

219214854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1582 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 219214854 is about 14805.9060513026. The cubic root of 219214854 is about 602.9620695100.

The spelling of 219214854 in words is "two hundred nineteen million, two hundred fourteen thousand, eight hundred fifty-four".