2219806862 has 32 divisors (see below), whose sum is σ = 4100773824. Its totient is φ = 877593600.

The previous prime is 2219806847. The next prime is 2219806873. The reversal of 2219806862 is 2686089122.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 375812 + ... + 381672.

It is an arithmetic number, because the mean of its divisors is an integer number (128149182).

Almost surely, 2^2219806862 is an apocalyptic number.

2219806862 is a deficient number, since it is larger than the sum of its proper divisors (1880966962).

2219806862 is a wasteful number, since it uses less digits than its factorization.

2219806862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7964.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 2219806862 is about 47114.8263500992. The cubic root of 2219806862 is about 1304.4829182133.

The spelling of 2219806862 in words is "two billion, two hundred nineteen million, eight hundred six thousand, eight hundred sixty-two".