219450852 has 36 divisors (see below), whose sum is σ = 555871680. Its totient is φ = 72998832.

The previous prime is 219450839. The next prime is 219450853. The reversal of 219450852 is 258054912.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (219450853) 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 11 ways as a sum of consecutive naturals, for example, 12049 + ... + 24167.

It is an arithmetic number, because the mean of its divisors is an integer number (15440880).

Almost surely, 2^219450852 is an apocalyptic number.

It is an amenable number.

219450852 is an abundant number, since it is smaller than the sum of its proper divisors (336420828).

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

219450852 is a wasteful number, since it uses less digits than its factorization.

219450852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632 (or 12627 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 219450852 is about 14813.8736325108. The cubic root of 219450852 is about 603.1783669101.

The spelling of 219450852 in words is "two hundred nineteen million, four hundred fifty thousand, eight hundred fifty-two".