219412854 has 32 divisors (see below), whose sum is σ = 503316480. Its totient is φ = 70777800.

The previous prime is 219412807. The next prime is 219412859. The reversal of 219412854 is 458214912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219412859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63862 + ... + 67209.

It is an arithmetic number, because the mean of its divisors is an integer number (15728640).

Almost surely, 2^219412854 is an apocalyptic number.

219412854 is an abundant number, since it is smaller than the sum of its proper divisors (283903626).

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

219412854 is a wasteful number, since it uses less digits than its factorization.

219412854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131113 (or 131107 counting only the distinct ones).

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

The square root of 219412854 is about 14812.5910630112. The cubic root of 219412854 is about 603.1435513780.

The spelling of 219412854 in words is "two hundred nineteen million, four hundred twelve thousand, eight hundred fifty-four".