2419780221 has 24 divisors (see below), whose sum is σ = 3702853440. Its totient is φ = 1517467776.

The previous prime is 2419780219. The next prime is 2419780261. The reversal of 2419780221 is 1220879142.

It is not a de Polignac number, because 2419780221 - 2¹ = 2419780219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2419780261) 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 23 ways as a sum of consecutive naturals, for example, 404470 + ... + 410408.

It is an arithmetic number, because the mean of its divisors is an integer number (154285560).

Almost surely, 2^2419780221 is an apocalyptic number.

It is an amenable number.

2419780221 is a deficient number, since it is larger than the sum of its proper divisors (1283073219).

2419780221 is a wasteful number, since it uses less digits than its factorization.

2419780221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625 (or 8622 counting only the distinct ones).

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

The square root of 2419780221 is about 49191.2616325298. The cubic root of 2419780221 is about 1342.5340444744.

The spelling of 2419780221 in words is "two billion, four hundred nineteen million, seven hundred eighty thousand, two hundred twenty-one".