219740841 has 12 divisors (see below), whose sum is σ = 319828080. Its totient is φ = 145374840.

The previous prime is 219740821. The next prime is 219740867. The reversal of 219740841 is 148047912.

It is not a de Polignac number, because 219740841 - 2⁶ = 219740777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 219740796 and 219740805.

It is not an unprimeable number, because it can be changed into a prime (219740821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92011 + ... + 94368.

It is an arithmetic number, because the mean of its divisors is an integer number (26652340).

Almost surely, 2^219740841 is an apocalyptic number.

It is an amenable number.

219740841 is a deficient number, since it is larger than the sum of its proper divisors (100087239).

219740841 is a wasteful number, since it uses less digits than its factorization.

219740841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186516 (or 186513 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 219740841 is about 14823.6581517519. The cubic root of 219740841 is about 603.4439360194.

The spelling of 219740841 in words is "two hundred nineteen million, seven hundred forty thousand, eight hundred forty-one".