2219782851 has 48 divisors (see below), whose sum is σ = 3854602752. Its totient is φ = 1212926400.

The previous prime is 2219782819. The next prime is 2219782853. The reversal of 2219782851 is 1582879122.

It is not a de Polignac number, because 2219782851 - 2⁵ = 2219782819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2219782797 and 2219782806.

It is not an unprimeable number, because it can be changed into a prime (2219782853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35286 + ... + 75396.

It is an arithmetic number, because the mean of its divisors is an integer number (80304224).

Almost surely, 2^2219782851 is an apocalyptic number.

2219782851 is a deficient number, since it is larger than the sum of its proper divisors (1634819901).

2219782851 is a wasteful number, since it uses less digits than its factorization.

2219782851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40184 (or 40181 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 2219782851 is about 47114.5715357786. The cubic root of 2219782851 is about 1304.4782147933.

The spelling of 2219782851 in words is "two billion, two hundred nineteen million, seven hundred eighty-two thousand, eight hundred fifty-one".