2219782369 has 24 divisors (see below), whose sum is σ = 2752598400. Its totient is φ = 1779654240.

The previous prime is 2219782339. The next prime is 2219782381. The reversal of 2219782369 is 9632879122.

It is not a de Polignac number, because 2219782369 - 2¹⁷ = 2219651297 is a prime.

It is a super-2 number, since 2×2219782369² = 9854867531446504322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (2219782309) 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 23 ways as a sum of consecutive naturals, for example, 58459 + ... + 88639.

It is an arithmetic number, because the mean of its divisors is an integer number (114691600).

Almost surely, 2^2219782369 is an apocalyptic number.

It is an amenable number.

2219782369 is a deficient number, since it is larger than the sum of its proper divisors (532816031).

2219782369 is a wasteful number, since it uses less digits than its factorization.

2219782369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30293 (or 30286 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 2219782369 is about 47114.5664205880. The cubic root of 2219782369 is about 1304.4781203758.

The spelling of 2219782369 in words is "two billion, two hundred nineteen million, seven hundred eighty-two thousand, three hundred sixty-nine".